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Let’s say we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.

Write a query to randomly sample a row from this table.

Input:

<code>big_table</code> table

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>

Write a query to randomly sample a row from a big table.

Random SQL Sample

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

What is a key disadvantage of the F-test when compared to multiple t-tests?

What is a key disadvantage of the F-test when compared to multiple t-tests?

Hundreds of Hypotheses

You are testing hundreds of hypotheses with many t-tests. What considerations should be made?

Let’s say that your company is running a standard control and variant AB test on a feature to increase conversion rates on the landing page. The PM checks the results and finds a .04 p-value.

How would you assess the validity of the result?

Experiment Validity

Russell Tobin Salaries by Position

Job Title: Business AnalystLocation: Pomona, CA 91768Pay Range: $27/hr-$32/hr on W2 (DOE)Duration: 11 Months plusShift: M-F 7 am-4 pm Description:Bachelor's degree in Business, Finance, Accounting, Statistics or a related field or an equivalent combination of education, training, and experience.The candidate must possess the demonstrated ability to perform moderately complex quantitative analysis with the ability to gather, document, analyze and draw conclusions on data and information.<ul><li>The candidate will possess three to five years of experience in the field of analysis.</li><li>Responsible for developing strategies that support business needs for efficient and effective use of best practices.</li><li>Identify requirements, approaches, solutions, costs, risks and options to address business needs.</li><li>Lead implementation activities of an initiative, application or feature set.</li><li>Responsible for project documentation including definition, requirements, conversion, testing, implementation and training.</li><li>Able to prioritize initiatives by assessing business value for the effort and developing options.</li><li>Collaborates with vendors to understand product direction, release strategy, and timeframe.</li><li>Maintain a broad knowledge of current and emerging state-of-the-art computer/network systems technologies, architectures, and products.</li></ul> Day-to-Day Responsibilities/Workload <ul><li>Utilizing SAP and SharePoint to gather work order documentation from document libraries and save to specified locations. Validate work order documentation for accuracy.</li><li>Monitor shared inboxes, respond or forward emails to the appropriate SME</li><li>Perform PowerBi Dashboard Refreshes and validate errors</li><li>Assist with document management</li></ul> Required Skills/Attributes <ul><li>Typing 45 WPM</li><li>Basic Windows and Microsoft application skills</li><li>Ability to navigate Microsoft SharePoint</li><li>Attention to detail and experience analyzing and/or validating information</li><li>Advanced knowledge of Microsoft programs (PowerPoint, Excel, SharePoint, Outlook)</li><li>Strong verbal and written communication skills</li><li>Ability to identify issues and come up with data-driven solutions</li></ul> Desired Skills/Attributes <ul><li>Ability to navigate SAP.</li><li>Power Bi and Power Apps experience.</li><li>Ability to create visual representations of data in PowerBI.</li></ul> Benefits InfoRussell Tobin/Pride Global offers eligible employee’s comprehensive healthcare coverage (medical, dental, and vision plans), supplemental coverage (accident insurance, critical illness insurance and hospital indemnity), 401(k)-retirement savings, life & disability insurance, an employee assistance program, legal support, auto, home insurance, pet insurance and employee discounts with preferred vendors.

Job Title: Financial Reporting Analyst (Mutual Funds) Job Category: Financial Services/BankingContract: 4 monthsPay Rate range: $50-52/hour (eligible for OT)Location: Fully On-Site in Bostonm MA Initially, Hybrid After Ramp-Up. Overview: We from Russell Tobin, on behalf of our client in the banking and financial industry, is seeking an experienced Financial Reporting Specialist with a strong background in mutual funds and investment services to join their Funds Financial Reporting Administration team on a contract basis. This role focuses on reviewing financial statements, securities, and derivatives, ensuring compliance with reporting standards. The ideal candidate will have deep knowledge of mutual funds, excellent attention to detail, and the ability to work independently with minimal training. Key Responsibilities:<ol><li>Financial Reporting & Review</li><li>Compliance & Regulatory Knowledge</li><li>Collaboration & Communication</li><li>Documentation & Reporting</li></ol>Qualifications:<ul><li>Education & Certification: Bachelor’s degree in Accounting or related field; CPA is preferred.</li><li>Experience: Minimum 6+ years in financial reporting or audit, specifically within the investment management industry, mutual funds, or financial services.</li><li>Technical Skills: Familiarity with State Street systems is a plus.</li><li>Soft Skills: Excellent communication skills, strong organizational abilities, and adaptability for switching between tasks.</li><li>Supervisory Experience: Not required, but beneficial for understanding and reviewing reporting processes.</li></ul>Contract Details:<ul><li>Duration: 4 months (with potential for extension depending on approval)</li></ul>

Russell Tobin + Associates is currently seeking a Business Analyst. This is a 8+ months contract with potential for extension/conversion for successful contractors! Position: Business AnalystLocation: Pomona, CA (M-F 8-5pm, hybrid schedule)Duration: 8+ months, with possible extensionPay rate: $33.00-35.00/hr on w2 JOB SUMMARY: Key job responsibilities (Duties):<ul><li>Perform quantitative analysis, develop data management tools, and resolve data discrepancies using SAP, SAS, Power BI, and Python.</li><li>Conduct ad hoc reporting and track inspection performance, ensuring data accuracy in dashboards.</li><li>Plan, organize, and release inspection work orders with accurate scope and timely completion.</li><li>Schedule work orders by vendor, type, priority, and location; address errors and sync with systems for accurate assignment.</li><li>Coordinate customer appointments for inspections and track to ensure completion.</li><li>Create requisitions in Ariba for various scopes, working closely with procurement and vendors to resolve issues.</li><li>Develop and maintain project documentation, including requirements, testing, and implementation.</li><li>Collaborate with vendors to understand product direction and release strategies.</li><li>Use ArcGIS for spatial joins to assess access issues related to inspections.</li><li>Provide SAP support for data cleansing, validation, and navigation assistance.</li><li>Join visual layers/maps in ArcGIS to create data tables for efficient workflow planning.</li></ul> Requirements:<ul><li>Bachelor’s degree in Business, Finance, Accounting, Statistics, or a related field, or equivalent experience.</li><li>5-7 years of experience in data analysis or a related field.</li><li>Proficiency in data management, including querying, reporting, and data visualization.</li><li>Familiarity with SAP (particularly with transformations, data cleansing, and validation), SAS, Power BI, SQL, Python, and MS Office Suite.</li><li>Knowledge of ArcGIS for spatial mapping and data layering.</li></ul> About:Russell Tobin is a leading minority-owned professional and technical recruitment and staffing advisory organization. We are comprised of specialized practices focusing on a variety of skill sets and industries. Having a depth and breadth of industry expertise, our subject matter experts are able to provide tailored and swift sourcing solutions to fulfill client hiring needs. In other words, we connect top talent with companies.As a certified minority-owned business, Pride Global and its affiliates - including Russell Tobin, Pride Health, and Pride Now - are committed to creating a diverse environment and are proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, age, veteran status, or other characteristics.Russell Tobin offers eligible employees comprehensive healthcare coverage (medical, dental, and vision plans), supplemental coverage (accident insurance, critical illness insurance and hospital indemnity), a 401(k)-retirement savings, life & disability insurance, an employee assistance program, identity theft protection, legal support, auto and home insurance, pet insurance, and employee discounts with some preferred vendors.

<h3>Job Description</h3><div>Job Description<div>ob SummaryThe Estate & Inheritor Services Specialist is responsible for managing the seamless transition of assets for individual clients, focusing on inheritance and legacy transfers. As a Subject Matter Expert (SME), you will serve as a key resource for Wealth Management Clients, Financial Advisors, Client Service Associates, and Branch Management. Your primary role will involve facilitating the inheritance process, ensuring timely and accurate asset transfers, and providing exceptional service throughout the process.This position requires close collaboration with internal departments, using various systems and technology resources to support clients in a virtual branch environment. The ideal candidate will possess excellent relationship management skills, empathy, and the ability to navigate complex service requests with high attention to detail.Key Responsibilities<ol><li>Client Support & Relationship Management<ul><li>Provide dedicated one-on-one support to clients throughout the inheritance process, ensuring a smooth transition of assets.</li><li>Proactively communicate with clients and beneficiaries via phone and email, delivering high-level service, transparency, and empathy.</li><li>Set appropriate expectations with clients and beneficiaries in line with Service Level Agreements (SLAs), ensuring consistent follow-up and completion of requests.</li></ul></li><li>Process Management & Follow-Up<ul><li>Process client service requests and follow up to ensure timely resolution.</li><li>Monitor and document case load on a daily basis, utilizing various technology resources to ensure accuracy and efficiency.</li><li>Research and resolve client and service inquiries accurately and promptly, escalating issues when necessary.</li></ul></li><li>Customer Service Excellence<ul><li>Provide world-class customer service to both internal and external clients, ensuring satisfaction with every interaction.</li><li>Leverage systems to enter and document all case interactions, ensuring completeness and accuracy.</li></ul></li><li>Risk Mitigation & Compliance<ul><li>Apply Firm verification policies to avoid identity theft and fraudulent activity.</li><li>Stay current on SEC/FINRA regulations, compliance requirements, and internal guidelines to ensure risk mitigation in all transactions.</li><li>Ensure all actions are compliant with standards and best practices.</li></ul></li><li>Ad-Hoc Duties<ul><li>Assist with additional tasks as assigned, ensuring completion in line with team objectives.</li></ul></li></ol>QualificationsEducation & Experience<ul><li>Education: College degree preferred.</li><li>Experience: 3-4 years of financial services industry experience with a focus on client service, estate management, trusts, retirement plans, and asset distribution processes.</li></ul>Skills & Knowledge<ul><li>Core Skills:<ul><li>Basic clerical and administrative skills</li><li>Effective communication skills (both written and verbal)</li><li>Strong interpersonal and client service skills</li><li>Organizational skills and attention to detail</li><li>Ability to handle a high volume of requests in a fast-paced environment</li><li>Excellent follow-up skills to ensure timely completion of tasks</li></ul></li><li>Technical Skills:<ul><li>Proficiency in Microsoft Suite (Excel, Word, PowerPoint, Outlook)</li></ul></li><li>Additional Competencies:<ul><li>Self-motivated, able to work independently while being a strong team player</li><li>Ability to research and resolve problems efficiently, escalating when appropriate</li></ul></li></ul>Licensing Requirements<ul><li>Required:<ul><li>Series 7 and 66 licenses (or Series 63 and 65 licenses)</li><li>Candidates without the required licenses must obtain them within a specified period.</li></ul></li></ul>Benefits Info Pride Global offers eligible employee’s comprehensive healthcare coverage (medical, dental, and vision plans), supplemental coverage (accident insurance, critical illness insurance and hospital indemnity), 401(k)-retirement savings, life & disability insurance, an employee assistance program, legal support, auto, home insurance, pet insurance and employee discounts with preferred vendors.</div></div>

Position Title: Business Analyst Location: Hybrid, with 2-3 days per week in the office Pay: $60-$68/hour depending on experience Length: Nov 2024 - May 2025 Position Overview: The Business Analyst will work closely with Home and Community partners to design and implement efficient, flexible processes that select members for outreach initiatives. This role will focus on building and refining applications that support various outreach programs, ensuring legal compliance, meeting financial goals, and aligning with client expectations. Additionally, the Business Analyst will create detailed reporting to track and optimize member outreach and assist with ad-hoc analysis as needed. Team Structure: The candidate will join a collaborative, data-driven team committed to developing high-quality, client-focused solutions. Team members bring a range of expertise, including data analysis, SQL development, and process improvement. The team culture values flexibility, communication, and a results-oriented approach. Key Responsibilities: <ol> <li>Develop and Maintain Dialer Processes: </li></ol> <ul><li>Use SQL Server to create and manage processes that select eligible members based on business rules, loading them into the dialer system. </li></ul> <ol><li>Data Analysis for Outreach Optimization: </li></ol> <ul><li>Conduct data analyses to refine criteria for member inclusion in outreach programs. </li></ul> <ol><li>Internal Reporting and Monitoring: </li></ol> <ul><li>Generate reports to help monitor client outreach, assess program performance, and identify areas for improvement. </li></ul> <ol><li>Support Ad-Hoc Analysis: </li></ol> <ul><li>Provide tailored analyses upon request to address specific business needs or to troubleshoot issues. </li></ul> <ol><li>Client Request Management: </li></ol> <ul><li>Handle intake and fulfill ad-hoc client requests, developing processes and reports as necessary. </li></ul> <ol><li>Campaign Development and Tracking: </li></ol> <ul><li>Work with the team to develop new capabilities for targeted campaigns, ensuring timely and accurate member outreach. </li></ul> <ol><li>Quality Control and Documentation: </li></ol> <ul><li>Ensure high quality and consistency in processes, documenting procedures and best practices for future reference. </li></ul> <ol><li>Collaborate Across Teams: </li></ol> <ul><li>Coordinate with other departments to integrate model outputs into broader organizational processes and track impacts on operational performance. </li></ul> Required Qualifications: <ul> <li>4+ years of data analysis and reporting development experience </li><li>4+ years of experience with SQL queries and stored procedures in a relational database environment </li><li>Intermediate proficiency with MS Office Suite </li><li>Proven ability to troubleshoot and implement complex technology solutions </li><li>Knowledge of statistical tools and methods for data analysis </li><li>Experience with SSIS or equivalent tools to move data between platforms </li></ul> Preferred Qualifications: <ul> <li>Healthcare industry knowledge for a better understanding of the business context and processes </li></ul> Purpose of the Role: This role plays a critical part in helping the business deliver effective, efficient outreach to eligible members, supporting both client and organizational objectives while upholding high standards for accuracy, compliance, and financial performance.

Position Title: Business AnalystLocation: Hybrid, with 2-3 days per week in the officePay: $60-$68/hour depending on experienceLength: Nov 2024 - May 2025 Position Overview:The Business Analyst will work closely with Home and Community partners to design and implement efficient, flexible processes that select members for outreach initiatives. This role will focus on building and refining applications that support various outreach programs, ensuring legal compliance, meeting financial goals, and aligning with client expectations. Additionally, the Business Analyst will create detailed reporting to track and optimize member outreach and assist with ad-hoc analysis as needed. Team Structure:The candidate will join a collaborative, data-driven team committed to developing high-quality, client-focused solutions. Team members bring a range of expertise, including data analysis, SQL development, and process improvement. The team culture values flexibility, communication, and a results-oriented approach. Key Responsibilities:<ol><li>Develop and Maintain Dialer Processes:</li></ol><ul><li>Use SQL Server to create and manage processes that select eligible members based on business rules, loading them into the dialer system.</li></ul><ol><li>Data Analysis for Outreach Optimization:</li></ol><ul><li>Conduct data analyses to refine criteria for member inclusion in outreach programs.</li></ul><ol><li>Internal Reporting and Monitoring:</li></ol><ul><li>Generate reports to help monitor client outreach, assess program performance, and identify areas for improvement.</li></ul><ol><li>Support Ad-Hoc Analysis:</li></ol><ul><li>Provide tailored analyses upon request to address specific business needs or to troubleshoot issues.</li></ul><ol><li>Client Request Management:</li></ol><ul><li>Handle intake and fulfill ad-hoc client requests, developing processes and reports as necessary.</li></ul><ol><li>Campaign Development and Tracking:</li></ol><ul><li>Work with the team to develop new capabilities for targeted campaigns, ensuring timely and accurate member outreach.</li></ul><ol><li>Quality Control and Documentation:</li></ol><ul><li>Ensure high quality and consistency in processes, documenting procedures and best practices for future reference.</li></ul><ol><li>Collaborate Across Teams:</li></ol><ul><li>Coordinate with other departments to integrate model outputs into broader organizational processes and track impacts on operational performance.</li></ul> Required Qualifications:<ul><li>4+ years of data analysis and reporting development experience</li><li>4+ years of experience with SQL queries and stored procedures in a relational database environment</li><li>Intermediate proficiency with MS Office Suite</li><li>Proven ability to troubleshoot and implement complex technology solutions</li><li>Knowledge of statistical tools and methods for data analysis</li><li>Experience with SSIS or equivalent tools to move data between platforms</li></ul> Preferred Qualifications:<ul><li>Healthcare industry knowledge for a better understanding of the business context and processes</li></ul> Purpose of the Role:This role plays a critical part in helping the business deliver effective, efficient outreach to eligible members, supporting both client and organizational objectives while upholding high standards for accuracy, compliance, and financial performance.

Urgent job opening as a Risk Analyst I with our direct fintech client. Apply today for consideration! Title: Risk Analyst ILocation: Atlanta GA (Hybrid)Pay rate: $25.00 - $29.70 /hourDuration: 6+ months Duties: We are looking for a talented and experienced Risk Specialist who has a proven ability to work effectively in a fast-paced and dynamic team environment. The ideal candidate must have strong problem-solving and decision-making abilities and be able to identify, research, and analyze complex issues. The candidate must have exceptional time management skills and the ability to work under tight deadlines while prioritizing tasks to meet SLAs.Analyze customer information, financial patterns, and transaction data to identify fraud and risk patterns and trendsUnderstand standard operating procedures and operate within the established guidelines to mitigate riskDocument processes and procedures and maintain accurate and detailed records of all transactionsRepresent Client's brand and provide top-notch service while balancing customer empathy with risk policiesCollaborate effectively with cross-functional teams to resolve customer-related issuesIdentify areas of improvement and propose changes to optimize processes and technologyStay up-to-date with industry trends and data knowledge to identify new fraud and risk pattern Requirement<ul><li>2+ years of relevant experience in risk management</li><li>Proficient with G-Suite and other relevant software</li><li>Strong analytical and critical thinking skills with attention to detail</li><li>Proven ability to deescalate customers and effectively handle difficult situations</li><li>Strong organizational skills and the ability to manage multiple tasks</li><li>Ability to work under tight deadlines and prioritize tasks to meet SLAs</li><li>Strong work ethic with high integrity and ethics</li><li>Effective collaboration and teamwork skills</li><li>Strong understanding of customer service and customer empathy</li><li>Willingness to learn and adapt to new technologies and processes.</li></ul> Education:<ul><li>BA/BS in financial services, risk management, criminal justice or related fields preferred.</li><li>CAMS, CFE or other relevant business designation preferred.</li></ul>

Product AnalystContract: Oct 2024 - May 2025PR: 38- 46/hrHybrid: Columbus, OH Job Description: This role will be supporting our Content Services Product Teams which are comprised of our Content Management Systems, PIM, DAM and Workflow tools. We are part of the larger Digital Operations team, and work closely with other product teams to deliver a rich, feature-filled digital experience for our customers. Responsibilities<ul><li>Manage product lifecycle for assigned products with the direction of the Product Owner</li><li>Review and refine stories in JIRA to prepare for backlog refinement</li><li>Partner with Product Owner to determine key product features that achieve business objectives</li><li>Gather and write user stories and acceptance criteria based on stakeholder needs</li><li>Maintain industry knowledge and insight to inform product roadmap </li><li>Identify dependencies and impacts to other areas of the product when working through requirements</li><li>Proxy for Product Owner when they are unavailable </li><li>Coordinates and performs UAT with an eye for customer experience</li><li>Create materials and train internal customers on new features </li><li>Manage 3rd party solutions to build and maximize product capabilities</li><li>Execute AB tests and analyze findings </li><li>Set-up data for lower-level environments in support of Development Team</li><li>Point of contact for Development Team when requirement questions arise</li><li>Analyze support issues to identify trends and improvement opportunities</li><li>Ensure platform stability and operational integrity via participation in team-based on-call rotations and defect triage</li></ul>Required Skills Needed:<ul><li>Agile Story / Acceptance Criteria generation</li><li>Good documentation writing skills</li><li>Strong Communication Skills</li><li>Proficient with Agile terms and processes </li><li>JIRA</li></ul> Benefits that Russell Tobin offers:Russell Tobin offers eligible employee’s comprehensive healthcare coverage (medical, dental, and vision plans), supplemental coverage (accident insurance, critical illness insurance and hospital indemnity), a 401(k)-retirement savings, life & disability insurance, an employee assistance program, identity theft protection, legal support, auto and home insurance, pet insurance, and employee discounts with some preferred vendors.

Russell Tobin Interview Questions

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Russell Tobin Interview Questions

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