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Suppose there exists a new airline named Jetco that flies domestically across North America. Jetco recently had a study commissioned that tested the boarding time of every airline, and it came out that Jetco had the fastest average boarding times of any airline.

What factors could have biased this result, and what would you look into?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

What could potentially bias the average boarding time in favor of an airline that only flies domestically?

Boarding Times Bias

A new airline came out as the fastest average boarding times compared to other airlines.  What factors could have biased this result and what would you look into?

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

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?

Ascend Learning Salaries by Position

We Impact Lives Through Purpose-Driven Work in A People First Culture Ascend Learning is the connection between a powerful portfolio of brands serving students, educators, and employers with outcomes-based, data driven solutions across the lifecycle of learning. Our values-driven culture unifies our teams and inspires a mindset of action, innovation, and collaboration, with a relentless focus on customers. We're always looking for talented, passionate professionals to join us in our mission to help change lives. If this sounds like an environment where you'd thrive, read on to learn more. Ascend Learning leads the way in innovation and solution creation to improve outcomes and deliver results for students, educators, and healthcare workers in the ever-changing field of healthcare. We offer advanced resources that drive nursing success, empower front-line certified allied health workers, help physicians pass boards and stay current, and provide education management tools for medical education programs. WHAT YOU'LL DO As a Senior Data Engineer you will be responsible for designing, building, and maintaining scalable and robust data pipelines and architectures. You will play a critical role in enabling data-driven decision-making by ensuring the availability, integrity, and performance of our data systems. You will work closely with data scientists, analysts, and other stakeholders to support advanced analytics initiatives and contribute to our overall data strategy. WHERE YOU'LL WORK <ul> <li>This position will work a hybrid schedule from our Burlington, MA or Leawood, KS office location. Remote candidates will be considered within the United States. </li> </ul>HOW YOU'LL SPEND YOUR TIME<ul> <li>Design and implement data models, schemas, and structures in SQL Server, Snowflake, and other technologies to support efficient data storage and retrieval. </li> </ul><ul><li>Implement and maintain enterprise data warehouse methodologies to ensure data quality and consistency across the organization. </li> </ul><ul><li>Design, develop, and maintain scalable data pipelines using SQL Server, Kafka, Azure Data Factory, Snowflake, and other relevant technologies. </li> </ul><ul><li>Collaborate with business intelligence, data scientists, analysts, and other stakeholders to understand their data requirements, translate them into technical solutions, and deliver data solutions that meet business needs. </li> </ul><ul><li>Work with the data architecture team to design and implement scalable and performant data solutions. </li> </ul><ul><li>Monitor and troubleshoot data pipelines and databases to ensure data availability, and resolve any issues or bottlenecks. </li> </ul><ul><li>Establish and enforce data governance policies to ensure compliance with data privacy regulations and company standards. </li> </ul><ul><li>Enhance data visibility and observability across the organization by implementing monitoring, logging, and alerting systems to proactively identify and address data-related issues. </li> </ul><ul><li>Stay up-to-date with emerging technologies and industry trends to drive innovation within the data team. </li> </ul><ul><li>Mentor junior data engineers and promote best practices in data engineering and management. </li> </ul> WHAT YOU'LL NEED<ul> <li>Bachelor's or Master's degree in Computer Science, Engineering, Information Technology, or a related field preferred. Equivalent work experience required. </li> </ul><ul><li>Minimum of 6 years of experience in a data engineering role with a strong focus on data warehousing and ETL processes. </li> </ul><ul><li>Proficient with SQL Server, MYSQL and Snowflake, including designing and implementing data models, writing SQL queries, and optimizing performance. </li> </ul><ul><li>Proficient in ETL tools like ADF, SSIS, Kafka Messaging data integration and transformation. </li> </ul><ul><li>Strong experience with real-time data processing and streaming technologies such as Kafka. </li> </ul><ul><li>Solid understanding of data warehouse methodologies and best practices, data modeling, and database design principles. </li> </ul><ul><li>Knowledge of programming languages such as Python or Java for scripting and automation. </li> </ul><ul><li>Familiarity with cloud platforms like AWS, Azure, or Google Cloud, and experience in deploying and managing data solutions on these platforms. </li> </ul><ul><li>Understanding of data governance, data security, and compliance regulations. </li> </ul><ul><li>Strong problem-solving and analytical skills, with the ability to identify and resolve data engineering issues. </li> </ul><ul><li>Strong communication skills and the ability to convey complex technical concepts to non-technical stakeholders. </li> </ul><ul><li>Familiarity with RESTful API development and integration. </li> </ul><ul><li>Experience with additional programming languages (e.g., Python, Java, Scala). </li> </ul><ul><li>Experience with data visualization tools and BI platforms. </li> </ul><ul><li>Knowledge of machine learning and advanced analytics techniques. </li> </ul><ul><li>Certifications in relevant technologies (e.g., Microsoft Azure, Snowflake). </li> </ul> BENEFITS<ul> <li>Flexible and generous paid time off </li></ul><ul> <li>Competitive medical, dental, vision and life insurance </li></ul> <ul> <li>401(k) employer matching program </li> </ul><ul><li>Parental leave </li> </ul><ul><li>Wellness resources </li> </ul><ul><li>Charitable matching program </li> </ul><ul><li>Hybrid work </li></ul><ul> <li>On-site workout facilities (Leawood, Gilbert, Burlington) </li> </ul><ul><li>Community outreach groups </li> </ul> <ul><li>Tuition reimbursement </li> </ul> Fostering A Sense of Belonging We seek out and celebrate all people and perspectives and cultivate an inclusive culture where everyone can thrive, feel valued and be their authentic selves. Our culture is firmly rooted in the belief that by embracing our differences and drawing on diverse perspectives, we are a stronger, more innovative, and more successful organization where employees experience a sense of belonging. About Ascend Learning As a tech-enabled services company, Ascend Learning is a national leader in developing and delivering data-driven online educational content, software, assessments, analytics, and simulations serving institutions, students and employers across healthcare, fitness and wellness, public and workplace safety, skilled trades, insurance, financial services, cybersecurity, and higher education. We're committed to accelerating the learning pathways that can move people into careers where they have the knowledge and skills to have an impact and help change lives in the communities they serve. Headquartered in Burlington, MA with additional office locations and hybrid and remote workers in cities across the U.S., Ascend Learning was recognized by Newsweek and Plant-A Insights Group as one of America's 2023 Greatest Workplaces for Diversity. Ascend Learning, LLC is proud to be an equal opportunity employer (M/F/Vets/Disabled). No agency or search firm submissions will be accepted. Applications for U.S. based positions with Ascend Learning, LLC must be legally authorized to work in the United States and verification of employment eligibility will be required at the time of hire. #LI-JJ1

We Impact Lives Through Purpose-Driven Work in A People First Culture Ascend Learning is the connection between a powerful portfolio of brands serving students, educators, and employers with outcomes-based, data driven solutions across the lifecycle of learning. Our values-driven culture unifies our teams and inspires a mindset of action, innovation, and collaboration, with a relentless focus on customers. We're always looking for talented, passionate professionals to join us in our mission to help change lives. If this sounds like an environment where you'd thrive, read on to learn more. Ascend Learning leads the way in innovation and solution creation to improve outcomes and deliver results for students, educators, and healthcare workers in the ever-changing field of healthcare. We offer advanced resources that drive nursing success, empower front-line certified allied health workers, help physicians pass boards and stay current, and provide education management tools for medical education programs. WHAT YOU'LL DO As a Sr Data Scientist, you will assist organizational decision making by providing and explaining data in an easily consumable format and translate internal customers' business requirements into technical requirements. The Sr Data Scientist will be responsible for executing Ascend data science projects, creating new models, refreshing models during changes, and conducting proof of concept research for new initiatives. The successful candidate has strong modelling skills and is comfortable owning data, converting business problems into analytical solutions, and working from concept to delivery. WHERE YOU'LL WORK This position will work a hybrid schedule from our Leawood, KS office location preferred. Remote will be considered within the United States. HOW YOU'LL SPEND YOUR TIME <ul><li>Experimentation and Insights Presentation: Conduct experiments, prototype solutions, build optimization and machine learning models, and present insights. </li><li>Leverage Data Science for Sales Targeting: Harness the power of data science to optimize sales targeting strategies, enabling sales teams to focus on high-potential prospects and maximize their effectiveness. </li><li>Data Preparation, Modeling, and Database Development: Prepare data, implement data models, and develop databases to support business needs. </li><li>Data-driven Decision Making: Help business users understand and draw conclusions from data for effective decision making. </li><li>Business Needs to Analytics Problem Statements: Convert business needs into high-level analytics problem statements and deliver impactful projects to non-technical audiences. </li><li>Interpret Results from Multiple Sources: Interpret results from various sources using techniques ranging from simple data aggregation to complex data mining. </li><li>Direct preparation of studies, reports, and analyses in areas such as operations, forecasts, statistical reports, projections, and business forecasts </li><li>Make recommendations to management regarding cost-saving or profit-generating opportunities and profitability improvement strategies </li><li>Coordinate with all levels of management to gather, analyze, summarize, and prepare recommendations regarding clinical and/or operational plans, growth opportunities, new business planning, and operating forecasts </li></ul>WHAT YOU'LL NEED<ul><li>Master's degree in one of the following areas: Statistics, Data Science, Computer Science, Mathematics, Operations Research, or similar field required. </li><li>Minimum 8+ years of experience working on data science, machine learning, or artificial intelligence projects in the industry </li><li>Must be able to independently organize work while working on numerous evaluation projects; prioritize tasks; plan ahead; follow through to complete assignments in a timely, complete, and accurate manner </li><li>Advanced experience with relational databases (SQL Server, Oracle, MySQL, PostgreSQL) and NoSQL (Elastic Search, HBase) databases </li><li>Advanced experience building classification, regression, clustering, supervised, semi-supervised, deep learning models </li><li>Advanced experience working with datasets of varying degrees of size and complexity including both structured and unstructured data (email, documents, chats) </li><li>Advanced experience in applied statistics skills, such as hypothesis testing, distributions, bias/variance trade-offs, statistical testing, regression, PCA </li><li>Advanced experience with data tools, such as Tableau, Power BI, D3.js, GGplot, Python NumPy, SciPy, Scikit-learn, TensorFlow, R, Spark ML, Azure ML, SQL, ML, and Snowflake. </li></ul>BENEFITS<ul><li>Flexible and generous paid time off </li><li>Competitive medical, dental, vision and life insurance </li><li>401(k) employer matching program </li><li>Parental leave </li><li>Wellness resources </li><li>Charitable matching program </li><li>Hybrid work </li><li>On-site workout facilities (Leawood, Gilbert, Burlington) </li><li>Community outreach groups </li><li>Tuition reimbursement </li></ul> Fostering A Sense of Belonging We seek out and celebrate all people and perspectives and cultivate an inclusive culture where everyone can thrive, feel valued and be their authentic selves. Our culture is firmly rooted in the belief that by embracing our differences and drawing on diverse perspectives, we are a stronger, more innovative, and more successful organization where employees experience a sense of belonging. About Ascend Learning As a tech-enabled services company, Ascend Learning is a national leader in developing and delivering data-driven online educational content, software, assessments, analytics, and simulations serving institutions, students and employers across healthcare, fitness and wellness, public and workplace safety, skilled trades, insurance, financial services, cybersecurity, and higher education. We're committed to accelerating the learning pathways that can move people into careers where they have the knowledge and skills to have an impact and help change lives in the communities they serve. Headquartered in Burlington, MA with additional office locations and hybrid and remote workers in cities across the U.S., Ascend Learning was recognized by Newsweek and Plant-A Insights Group as one of America's 2023 Greatest Workplaces for Diversity. Ascend Learning, LLC is proud to be an equal opportunity employer (M/F/Vets/Disabled). No agency or search firm submissions will be accepted. Applications for U.S. based positions with Ascend Learning, LLC must be legally authorized to work in the United States and verification of employment eligibility will be required at the time of hire. #LI-NT1

We Impact Lives Through Purpose-Driven Work in A People First Culture Ascend Learning is the connection between a powerful portfolio of brands serving students, educators, and employers with outcomes-based, data driven solutions across the lifecycle of learning. Our values-driven culture unifies our teams and inspires a mindset of action, innovation, and collaboration, with a relentless focus on customers. We're always looking for talented, passionate professionals to join us in our mission to help change lives. If this sounds like an environment where you'd thrive, read on to learn more. For over 35 years, National Academy of Sports Medicine® (NASM®) has set the standard in fitness education with best-in-class evidence-based programs. We have educated over 1.4 million fitness professionals in over 100 countries, creating a global space for optimal well-being and fitness. From personal training to nutrition coaching, wellness to sports performance, NASM trainers and specialists work at every level to help all clients set and reach their own unique goals. WHAT YOU'LL DO The Sr Business Intelligence Analyst role plays an integral part in understanding metrics about our customers, products, and technological capabilities. In this role you will need to have a business-oriented mindset combined with robust experience and technical know-how to conceptualize, build, and deploy full-scale products and solutions. This role acts independently and requires the ability to make decisions while considering deliverables, time constraints, accuracy, and best practices. The Sr Business Intelligence Analyst will utilize all resources in their toolkit combined with proven experience to build sustainable, useful, and inspirational products. WHERE YOU'LL WORK This position will work a hybrid schedule from our Gilbert, AZ office location. HOW YOU'LL SPEND YOUR TIME <ul><li>Provide data in an easily consumable format to all levels of the organization to assist in decisions that drive revenue, increase efficiency, and foster data exploration.</li><li>Work with internal and external customers to understand business requirements and translate those business requirements into technical requirements for quick, actionable insights.</li><li>Communicate with customers, both internal and external, in a professional and timely manner.</li><li>Help business users understand and make conclusions from data for decision making purposes.</li><li>Research issues/anomalies with data, systems, and processes</li><li>Manage multiple complex projects independently while ensuring deadlines are met.</li><li>Train, develop, and coach team members to foster independent and knowledgeable analysts.</li><li>Serve as expert at the organization with respect to data collection, ingestion, cleansing, reporting and analysis.</li><li>Manage Custom Reporting product to ensure quality, scalability, and revenue generation.</li><li>Leverage in-depth business and product knowledge to build and recommend streamlined approaches to complex problems.</li></ul> WHAT YOU'LL <ul><li>Bachelor's degree in computer science, Business, or related field preferred. Relevant experience will be considered.</li><li>Proven experience as a Data Analyst or similar role, with a minimum of 5 years of relevant work experience.</li><li>Eager to learn self-starter who can work in a fast-paced environment with emphasis on independence, quality, accuracy, and aesthetics.</li><li>Experience researching, analyzing and leveraging data from a wide range of internal and external resources. Polished analytic skills, business acumen, oral and written communication skills to be able to collaborate with all levels of the organization.</li><li>Strong proficiency in Tableau for data blending and preparation techniques, data visualization, dashboard creation, and reporting. </li></ul> <ul><li>Proficient in SQL with experience in relational databases and data storage/querying/analysis tools such as SSMS, Google BigQuery, and Snowflake. Proficiency in programming languages such as Python or R for data analysis and manipulation.</li></ul> <ul><li>Advanced knowledge of statistical analysis, predictive modeling techniques, and marketing metrics analysis (CAC, ROMI, CLTV).</li><li>Hands-on experience in implementing complex tracking scenarios using GTM, including data layers, custom events, enhanced ecommerce tracking, and cross-domain tracking.</li><li>Proficiency in leveraging Google Analytics for data collection and interpretation, integrating it with other data sources for in-depth analysis, and applying A/B testing and CRO techniques to enhance website performance and marketing initiatives.</li></ul> <ul><li>Preferred</li></ul> <ul><ul><li>Experience with other data visualization tools such as Power BI, QlikView, or Looker.</li><li>Familiarity with Snowflake's data sharing capabilities for securely sharing data. </li><li>Knowledge of cloud-based data platforms such as AWS or Azure.</li><li>Knowledge of data privacy regulations, such as GDPR or CCPA, and experience in implementing compliance measures within marketing activities.</li><li>Experience working in Agile development environment and must be able to multi-task and prioritize in accordance with changing priorities and deadlines.</li><li>Experience in marketing automation platforms such as Hubspot for lead scoring</li><li>Familiarity with ETL processes and tools for data integration. </li><li>Familiarity with data warehousing concepts and technologies. </li></ul></ul> BENEFITS <ul><li>Flexible and generous paid time off</li><li>Competitive medical, dental, vision and life insurance</li><li>401(k) employer matching program</li><li>Parental leave</li><li>Wellness resources</li><li>Charitable matching program</li><li>Hybrid work</li><li>On-site workout facilities (Leawood, Gilbert, Burlington)</li><li>Community outreach groups</li><li>Tuition reimbursement</li></ul> About Ascend Learning As a tech-enabled services company, Ascend Learning is a national leader in developing and delivering data-driven online educational content, software, assessments, analytics, and simulations serving institutions, students and employers across healthcare, fitness and wellness, public and workplace safety, skilled trades, insurance, financial services, cybersecurity, and higher education. We're committed to accelerating the learning pathways that can move people into careers where they have the knowledge and skills to have an impact and help change lives in the communities they serve. Headquartered in Burlington, MA with additional office locations and hybrid and remote workers in cities across the U.S., Ascend Learning was recognized by Newsweek and Plant-A Insights Group as one of America's 2023 Greatest Workplaces for Diversity. Ascend Learning, LLC is proud to be an equal opportunity employer (M/F/Vets/Disabled). No agency or search firm submissions will be accepted. Applications for U.S. based positions with Ascend Learning, LLC must be legally authorized to work in the United States and verification of employment eligibility will be required at the time of hire. #LI-KH1

Will work a hybrid schedule from our Gilbert, AZ office location. HOW YOU'LL SPEND YOUR TIME Provide data in an easily consumable format to all levels of the organization to assist in decisions that drive revenue, increase efficiency, and foster data Business, Analyst, Intelligence, Technology, Experience

Ascend Learning Interview Questions

Ascend Learning Interview Guides

Ascend Learning Interview Questions

Ascend Learning Salaries by Position

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