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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?

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

Geisinger Salaries by Position

<ul>
<li>Independently consults with stakeholders to gather project requirements and define scope on projects of all sizes.</li>
<li>Collaborates with internal partners and organizations in the design and development of reporting solutions and analytic studies to support business needs.</li>
<li>Plans projects and requests completion tasks.</li>
<li>Provides time and effort estimates based on requirements gathering. Strong experience independently managing multiple projects is also required.</li>
<li>Demonstrates working knowledge of relevant source systems needed to support primary stakeholders and proficiency with related databases/data marts within the first year in the role. Must stay abreast of current industry trends and become facile with the various business intelligence software systems used at Geisinger.</li>
<li>Recommends analysis approach and additional analyses or reporting needed based on business questions, requirements, and initial analysis findings.</li>
<li>Develops, validates, and executes complex queries. Develops complex reports and performs complex data analysis that answers business questions for internal customers. Interprets results and makes recommendations to business areas based on findings.</li>
<li>Presents analysis and reports to internal customers and stakeholders.</li>
<li>Routinely uses statistical methods during analyses and considers how best to visualize data that accurately reflects the intended message including the limitations.</li>
<li>Reports and helps troubleshoot data quality issues when performing data profiling, testing, or validation.</li>
<li>Collaborative and eager to share knowledge with team members.</li>
<li>Responsible for participating in strategic departmental initiatives.</li>
<li>Acts as a mentor to other analysts.</li>
<li>May participate in industry advisory and/or user groups.</li>
<li>Strong attention to detail and the ability to be precise and clear when describing results of data analyses.</li>
<li>Shares important and relevant information with the team. Proactively offers suggestions, provides resources, volunteers for assignments, and removes barriers to help the team accomplish its goals.</li>
<li>Follows all department's policies and procedures including request intake/fulfillment, change management, and data governance practices.</li>
<li>Works with the product team on the overall management of funded products and projects.</li>
<li>Communicates resource needs, issues, portfolio and product statuses, and milestones met to leadership.</li>
</ul>
Work is typically performed in an office environment. Accountable for satisfying all job-specific obligations and complying with all organization policies and procedures. The specific statements in this profile are not intended to be all-inclusive. They represent typical elements considered necessary to successfully perform the job.
*Relevant experience may be a combination of related work experience and degree obtained (Associate’s Degree = 2 years; Bachelor’s Degree = 4 years; Master's Degree = 6 years).
Highly Preferred Qualifications:
<ul>
<li>3 years working in non-cogito Epic application with experience working in Reporting Workbench, Radar, and SlicerDicer.</li>
<li>Epic Application certification preferred.</li>
</ul>
OR
<ul>
<li>2 years experience working in the cogito suite of tools.</li>
<li>Epic Cogito certifications preferred.</li>
<li>Other Epic Application certifications preferred.</li>
</ul>
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The Senior BI Analyst serves as a partner to the business or clinical area supported and will use analytic expertise including knowledge of data structures, programming, and statistics along with critical thinking and an understanding of their assigned subject area/business to help the organization make data-driven decisions. The Senior BI Analyst makes contributions to the organization by collecting, cleaning, and interpreting data sets in order to answer a question or solve a problem including identifying and effectively communicating improvement opportunities and supporting the evaluation of existing processes and strategic improvement efforts. Senior BI Analysts consistently act as the analytics expert in meetings and discussions with their stakeholders and are capable of operating independently. Must be articulate in both oral and written communications, including presentations with the ability to translate analyses and opportunity insights to non-technical stakeholders. Senior BI Analysts must exhibit initiative and organizational skills, as well as possess the ability to inspire trust and confidence to maintain outstanding customer relationships. Senior BI Analysts mentor junior BI developers by offering project feedback, participating in code reviews, and providing training in areas of expertise.Job DutiesIndependently consults with stakeholders to gather project requirements and define scope on projects of all sizes.Collaborates with internal partners and organizations in the design and development of reporting solutions and analytic studies to support business needs.Plans projects and request completion tasks.Provides time and effort estimates based on requirements gathering. Strong experience independently managing multiple projects is also required.Demonstrates working knowledge of relevant source systems needed to support primary stakeholders and proficiency with related databases/data marts within first year in role. Must stay abreast of current industry trends and become facile with the various business intelligence software systems used at Geisinger.Recommends analysis approach and additional analyses or reporting needed based on business questions, requirements, and initial analysis findings.Develops, validates, and executes complex queries. Develops complex reports and performs complex data analysis that answers business questions for internal customers. Interprets results and makes recommendations to business areas based on findings.Presents analysis and reports to internal customers and stakeholders.Routinely uses statistical methods during analyses and considers how best to visualize data that accurately reflects the intended message including the limitations.Reports and helps troubleshoot data quality issues when performing data profiling, testing, or validation.Collaborative and eager to share knowledge with team membersResponsible for participating in strategic departmental initiatives.Acts as a mentor to other analystsMay participate in industry advisory and/or user groups.Strong attention to detail and the ability to be precise and clear when describing results of data analyses.Shares important and relevant information with the team. Proactively offers suggestions, provides resources, volunteers for assignments, and removes barriers to help the team accomplish its goals.Follows all department's policies and procedures including request intake/fulfillment, change management, and data governance practices.Works with the product team on the overall management of funded products and projects.Communicates recourse needs, issues, portfolio and product statuses and milestones met to leadershipWork is typically performed in an office environment. Accountable for satisfying all job specific obligations and complying with all organization policies and procedures. The specific statements in this profile are not intended to be all-inclusive. They represent typical elements considered necessary to successfully perform the job.*Relevant experience may be a combination of related work experience and degree obtained (Associate’s Degree = 2 years; Bachelor’s Degree = 4 years, Master's Degree = 6 years).Highly Preferred Qualifications:3 years working in non cogito Epic application with experience working in Reporting Workbench, Radar, and SlicerDicer.Epic Application certification preferred. OR2 year experience working in the cogito suite of tools.Epic Cogito certifications preferred.Other Epic Application certifications preferred.EducationHigh School Diploma or Equivalent (GED)- (Required)ExperienceMinimum of 8 years-Relevant experience* (Required)Certification(s) and License(s)OUR PURPOSE & VALUES: Everything we do is about caring for our patients, our members, our students, our Geisinger family and our communities. KINDNESS: We strive to treat everyone as we would hope to be treated ourselves. EXCELLENCE: We treasure colleagues who humbly strive for excellence. LEARNING: We share our knowledge with the best and brightest to better prepare the caregivers for tomorrow. INNOVATION: We constantly seek new and better ways to care for our patients, our members, our community, and the nation. SAFETY: We provide a safe environment for our patients and members and the Geisinger family We offer healthcare benefits for full time and part time positions from day one, including vision, dental and domestic partners. Perhaps just as important, from senior management on down, we encourage an atmosphere of collaboration, cooperation and collegiality. We know that a diverse workforce with unique experiences and backgrounds makes our team stronger. Our patients, members and community come from a wide variety of backgrounds, and it takes a diverse workforce to make better health easier for all. We are proud to be an affirmative action, equal opportunity employer and all qualified applicants will receive consideration for employment regardless to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or status as a protected veteran.We are an Affirmative Action, Equal Opportunity Employer Women and Minorities are Encouraged to Apply. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of disability or their protected veteran status.
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