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Given the two tables, write a SQL query that creates a cumulative distribution of the number of comments per user. Assume bin buckets class intervals of one.

Example:

Input:

<code>users</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>

<tr>
<td><code>created_at</code></td>
<td>DATETIME</td>
</tr>

<tr>
<td><code>neighborhood_id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>sex</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>
<code>comments</code> table

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

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

<tr>
<td><code>body</code></td>
<td>VARCHAR</td>
</tr>

<tr>
<td><code>created_at</code></td>
<td>DATETIME</td>
</tr>
</tbody>
</table>
Output:

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

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

<tr>
<td><code>cum_total</code></td>
<td>FLOAT</td>
</tr>
</tbody>
</table>

Cumulative Distribution

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?

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

Nagarro Salaries by Position

Company DescriptionWe're Nagarro. We are a digital product engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (18,000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We're looking for great new colleagues. That's where you come in!Job DescriptionQualificationsAdditional InformationClick here to access the application privacy notice

Company Description We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale - across all devices and digital mediums, and our people exist everywhere in the world (18000+ experts across 37 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in! Job Description Position Overview: We are seeking a highly analytical and detail-oriented senior Business Analyst to support our public sector clients in defining and delivering solutions that align with its business objectives. The ideal candidate will have experience managing the full Software Development Life Cycle (SDLC) and be adept at gathering requirements, analyzing business processes, and recommending optimal technical solutions. Knowledge of Salesforce technology is preferred. The role involves requirement gathering in a complex environment, supporting testing, conducting training, support to end-users to maximize the effective use of Salesforce, Continuous Improvement, Documentation business processes, and user guides. This is a hybrid role, 3 days a week in office. Key Responsibilities: <ul><li>Requirements Gathering & Documentation: Define, document, and validate business processes and rules to identify functional requirements. This role is responsible for delivering:<ul><li>Business Requirement Documents and<ul><li>Current Business Processes,</li><li>To be business processes</li></ul></li><li>Requirement Traceability Matrix.</li></ul></li><li>Technical Solution Recommendations:</li></ul> Support technical team to understand business requirements. <ul><li>Collaboration & Teamwork: Collaborate with cross-functional teams, including developers, architects, and stakeholders, to ensure the understanding of the business requirements.</li><li>Responsible for developing end user Training plan, and Conducting end-user training as per predefined training plan.</li><li>Salesforce Knowledge: Leverage an understanding of Salesforce technology and its application to business needs.</li><li>UAT support - Provide UAT support for the end users so they can undertake business function testing effectively.</li></ul> Qualifications <ul><li>Bachelor's degree in Business, Information Systems, or a related field.</li><li>8+ years of experience as a Business Analyst, preferably with exposure to Salesforce implementations.</li><li>Proven experience in gathering, defining, and documenting business requirements and functional specifications.</li><li>Ability to manage the end-to-end SDLC, including requirements gathering, solution design, and business process analysis.</li><li>Excellent problem-solving and analytical skills, with the ability to recommend technical solutions that meet business needs.</li><li>Strong knowledge of business process mapping and requirements validation techniques.</li><li>Strong communication skills with the ability to engage with both technical and non-technical stakeholders.</li></ul> Preferred Skills: <ul><li>Experience working on Salesforce-based projects.</li><li>Familiarity with public sector or regulatory environments.</li></ul> Key Competencies <ul><li>Analysis:<ul><li>Generates all possible alternatives given the context of the opportunity/ issue</li><li>Tries to quantify all business improvement opportunities.</li><li>Makes quick and effective decisions</li><li>Makes decisions on a basis of a holistic understanding</li></ul></li><li>Problem-solving <ul><li>Proficient problem-solving skills</li><li>Identifies issues or causes for a problem and provides a recommended solution with alternatives</li><li>Identifies a set of features, parameters, or considerations to take into account, in analyzing a situation or making a decision</li><li>Weighs the costs, benefits, risks and chances for success in making a decision</li><li>Carefully weigh the priority of things to be done</li><li>Anticipates possible problems and develops contingency plans in advance</li></ul></li><li>Business Communication<ul><li>Is able to persuade others to his/her point of view</li><li>Makes effective presentations</li><li>Represents internally and externally the best interests of the organization</li><li>Puts forward pros and cons and examples to build a case</li><li>Provides clear information about a problem or issue, establishes the facts</li><li>Can synthesize technical and other information to add clarity for others</li><li>Persuasively communicates the benefits of a particular approach</li><li>Produces a very high level of written communication suitable for organization-wide or external consumption</li><li>Probes skillfully to get at the facts, when others are reluctant to provide full or detailed information</li></ul></li><li>Systems and Process Orientation<ul><li>Ensures adherence to all processes</li><li>Corrects deviations from process based on analysis</li><li>Evaluates progress/performance as per plan</li><li>Goes to great lengths to ensure the quality of systems and processes</li></ul></li></ul> Additional Information Disclaimer: Nagarro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will be afforded equal employment opportunities without discrimination based on race, creed, color, national origin, sex, age, disability, or marital status.

Company Description

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale - across all devices and digital mediums, and our people exist everywhere in the world (15000+ experts across 26 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!

Job Description
Strategic Data Leadership: Develop and implement a comprehensive data management and analytics strategy that aligns with the organization's goals and delivers real-world impact
Data Governance: Oversee data modeling, master data management, data governance policies and procedures to ensure data integrity, quality, and security, planning for data backup, disaster recovery, and business continuity.
Data Lifecycle Management: Manage the full spectrum of data lifecycle activities, ensuring optimal data quality, storage, and utilization aligned with strategic goals.
Data Architecture: Oversee design and refine the organizational data framework, ensuring robust, scalable, and efficient data structures and integrations in AWS
Compliance and Risk Management: Ensure compliance with relevant data protection regulations and assess data-related risks.
Technology and Vendor Management: Evaluate and implement data management and analytics tools and technologies to optimize data processing and analysis. Manage relationships, engagements, contracts, and agreements with external vendors that provide technology solutions.
Collaboration: Work closely with various departments to understand their data needs and ensure that the data strategy supports these requirements, serving as the key liaison of the data function to the broader organization
Change Management: Lead and facilitate the implementation of data-related changes, ensuring smooth transitions and alignment with organizational goals.
Qualifications     A minimum of 10 years of experience in data management and analytics, with at least 5 years in a leadership role.
Relevant experience in creating and executing enterprise data strategy in AWS
Transforming business goals into data infrastructure
Experience in Data governance, Data modeling, Data security, Data strategy, MDM - AWS, Denodo
Experience in Industrial IoT and relevant Data Science use cases.
Knowledge in Manufacturing domain and good to have lighting or similar domain or IOT related use case knowledge.

Additional Information

Disclaimer:  Nagarro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will be afforded equal employment opportunities without discrimination based on race, creed, color, national origin, sex, age, disability, or marital status.

Company Description

We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale - across all devices and digital mediums, and our people exist everywhere in the world (18000+ experts across 37 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!

Job Description

Position Overview:

We are seeking a highly analytical and detail-oriented senior Business Analyst to support our public sector clients in defining and delivering solutions that align with its business objectives. The ideal candidate will have experience managing the full Software Development Life Cycle (SDLC) and be adept at gathering requirements, analyzing business processes, and recommending optimal technical solutions. Knowledge of Salesforce technology is preferred. The role involves requirement gathering in a complex environment, supporting testing, conducting training, support to end-users to maximize the effective use of Salesforce, Continuous Improvement, Documentation business processes, and user guides.

This is a hybrid role, 3 days a week in office.

Key Responsibilities:
Requirements Gathering & Documentation:
Define, document, and validate business processes and rules to identify functional requirements. This role is responsible for delivering:   Business Requirement Documents and   Current Business Processes,
To be business processes

Requirement Traceability Matrix.

Technical Solution Recommendations:
Support technical team to understand business requirements.     Collaboration & Teamwork:
Collaborate with cross-functional teams, including developers, architects, and stakeholders, to ensure the understanding of the business requirements.
Responsible for developing end user Training plan, and Conducting end-user training as per predefined training plan.
Salesforce Knowledge:
Leverage an understanding of Salesforce technology and its application to business needs.
UAT support -  Provide UAT support for the end users so they can undertake business function testing effectively.
Qualifications     Bachelor's degree in Business, Information Systems, or a related field.
8+ years of experience as a Business Analyst, preferably with exposure to Salesforce implementations.
Proven experience in gathering, defining, and documenting business requirements and functional specifications.
Ability to manage the end-to-end SDLC, including requirements gathering, solution design, and business process analysis.
Excellent problem-solving and analytical skills, with the ability to recommend technical solutions that meet business needs.
Strong knowledge of business process mapping and requirements validation techniques.
Strong communication skills with the ability to engage with both technical and non-technical stakeholders.
Preferred Skills:     Experience working on Salesforce-based projects.
Familiarity with public sector or regulatory environments.
Key Competencies      Analysis:    Generates all possible alternatives given the context of the opportunity/ issue
Tries to quantify all business improvement opportunities.
Makes quick and effective decisions
Makes decisions on a basis of a holistic understanding

Problem-solving     Proficient problem-solving skills
Identifies issues or causes for a problem and provides a recommended solution with alternatives
Identifies a set of features, parameters, or considerations to take into account, in analyzing a situation or making a decision
Weighs the costs, benefits, risks and chances for success in making a decision
Carefully weigh the priority of things to be done
Anticipates possible problems and develops contingency plans in advance

Business Communication    Is able to persuade others to his/her point of view
Makes effective presentations
Represents internally and externally the best interests of the organization
Puts forward pros and cons and examples to build a case
Provides clear information about a problem or issue, establishes the facts
Can synthesize technical and other information to add clarity for others
Persuasively communicates the benefits of a particular approach
Produces a very high level of written communication suitable for organization-wide or external consumption
Probes skillfully to get at the facts, when others are reluctant to provide full or detailed information

Systems and Process Orientation    Ensures adherence to all processes
Corrects deviations from process based on analysis
Evaluates progress/performance as per plan
Goes to great lengths to ensure the quality of systems and processes

Additional Information

Disclaimer:  Nagarro is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will be afforded equal employment opportunities without discrimination based on race, creed, color, national origin, sex, age, disability, or marital status.

Nagarro Interview Questions

Nagarro Interview Guides

Nagarro Interview Questions

Nagarro Salaries by Position

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