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Hmsa Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

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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?

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

A/B Testing & Experimentation

<ol>
 <li>Revise and/or develop medical policies adopted from the BCBSA in conjunction with assigned medical director and in accordance with Development and Approval of Medical Policy administrative policy; process includes appropriate and timely implementation and publication.</li>
 <li>Assist with activities related to the revision and/or development of medical policies, code reviews, and TEC topic research, which include Service Now ticket submissions and Workfront ticket requests (tickets include data requests and medical policy page updates).</li>
 <li>Assist with the revision and update of MM C&S Unit assigned PRC pages. Collaborate with HMSA Communications Department with the accuracy of PRC page content and in the submission Workfront requests.</li>
 <li>Support MM sponsored meetings by preparing and distributing an agenda, minutes, and documents to be discussed, and taking minutes (meetings to include UMC, OMD, TEC, Policy Workgroup).</li>
 <li>Research and respond to requests from internal departments/units requesting information on new technology (including research supporting TEC activities) and medical policies.</li>
 <li>Performs all other miscellaneous responsibilities and duties as assigned or directed.</li>
 </ol>
 
 #LI-Hybrid

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Random Bucketing	A/B Testing & Experimentation	Medium	Very High

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