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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?

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?

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Qualifications See attachment. Responsibilities See attachment. System Location: BMW MC Indirect Required Job Title: XX(document).ready(function () var XXlnkJobTitle XX(#ctl00CPHucClientJobTitleDoclnkJobTitle); XXlnkJobTitle.attr(href #); XXlnkJobTitle.on(click function (event) event.preventDefault(); var url XX(this).attr(url); var filepath XX(this).attr(filepath); var doccount XX(this).attr(doccount); if (doccount > 1) EP.openDialog(url); else window.open(url url : filepath); ); ); IT Entry Level Data Analyst <a>(Click to View Job Title Detail Description) CWR Type: W2 Required

<div>Description: 1 year assignment with possibility to extend Training onsite fulltime in Hagerstown after training period 2 days a week WFH/3 days onsite No travel required Interview Process: onsite 1 round Must haves: Experience in Project Management/Supply Chain/Purchasing Microsoft Office Excel problem solving skills *Bachelors degree is preferred but not required must have 35 years of experience if no degree JOB SUMMARY: The Supply Chain Associate will support the supply chain organization with the analysis and development of various business processes. This role will interface with departments and/or segments. ESSENTIAL DUTIES AND RESPONSIBILITIES: These duties are not meant to be allinclusive and other duties may be assigned. Support and maintain standard work procedures and business processes. Assist with the identification of standard work and process needs by collaborating with stakeholders. Support the deployment of supply chain training programs and curriculum. Assist in the development of the supply chain surveys. Review existing business processes with team members. Apply tools from lean principal methodology to drive continuous improvement efforts related to supply chain business process (i.e. value stream/process mapping supplier quality processes six sigma processes fishbone diagrams problem solving skills and 5 why). QUALIFICATIONS: Relevant industry related certifications. Supply Chain experience within the manufacturing industry. Experience mentoring and leading team members through direct reporting relationships or project work. </div>

Qualifications Actual job title: Data Analyst Education: Candidates with a degree in computer science or related field; or a degree in the chemistry disciplines with strong programming capabilities. Experience: 46 years of experience Must have/required skills: Development of dashboards reports and data exports Familiar with programming in R and/or Python and Posit/RStudio/Jupyter Experience with data visualization tools (Shiny Spotfire Dash PowerBI or Tableau) Excellent verbal and written communications skills Work independently and be able to collaborate as a team Strive for continuous improvement and suggest innovative solutions to scientists common challenges related to data visualization Version control using Git and GitHub Nice to have/preferred skills: Connecting to AWS (S3 RedShift Glue Athena) as a data source for data visualization Experience with data pipeline tools such as Dataiku or Databricks Experience with relational databases and SQL Experience with graph databases (Neo4J or AWS Neptune) Experience with statistical data analysis and tools (JMP Minitab) Note: We could have someone report to site 3 days/week in Boston Rahway or West PointPA. You can submit candidates form MANJ and PA. Please make sure mention the desired location on top of the resumes. Hybrid Role. 1 year duration with a possibility of extension. Only submit candidate with legit work authorization with no requirement for sponsorship. Responsibilities Establishing data workflows and predictive tools to enable more effective identification characterization and development of novel medicines and vaccines is a key objective for Merck. This position sits within the Digital Sciences team in the Analytical Enabling Capabilities subdepartment of Analytical Research & Development. You will be part of a team working collaboratively across a wide range of areas impacting all aspects of the drug discovery and development pipeline. A diverse array of projects spanning data workflows to instrument metrology to predictive sciences ensure this Digital Sciences team helps to enable work across all drug modalities including small molecule peptide biologics vaccines and beyond. The core Digital Sciences team works with a networked group of digital champions across AR&D and has close connectivity to other digital/data facing teams across Merck Research Laboratories including critical IT collaborators. Responsibilities / DaytoDay: Design and development of dashboards reports and data exports. Meets with business clients/SMEs to collect requirements. Manage projects and timelines. Estimation of duration of work. Presentation of updates to collaborators. Comments/Special InstructionsSr. CSP Vidushi Sharma Note: We could have someone report to site 3 days/week in Boston Rahway or West PointPA. You can submit candidates form MANJ and PA. Please make sure mention the desired location on top of the resumes. Hybrid Role. 1 year duration with a possibility of extension. Only submit candidate with legit work authorization with no requirement for sponsorship. System Location: Research Labs (Z011) Required Job Title: XX(document).ready(function () var XXlnkJobTitle XX(#ctl00CPHucClientJobTitleDoclnkJobTitle); XXlnkJobTitle.attr(href #); XXlnkJobTitle.on(click function (event) event.preventDefault(); var url XX(this).attr(url); var filepath XX(this).attr(filepath); var doccount XX(this).attr(doccount); if (doccount > 1) EP.openDialog(url); else window.open(url url : filepath); ); ); Data Scientist II (Associate) CWR Type: W2 Required

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