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Hd Supply Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

Hd Supply Interview Guides

<p>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.</p>

<p>What factors could have biased this result, and what would you look into?</p>


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

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?

<p>You are testing hundreds of hypotheses with many <em>t</em>-tests. What considerations should be made?</p>


<p>What is a key disadvantage of the F-test when compared to multiple t-tests?</p>

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?

<p>Let’s say you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.</p>

<p>The company has been consistently growing new users in the city from January to March.</p>

<p>What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?</p>


<p>What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?</p>

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

<div><h2>Data Analyst</h2><p>Job Summary: Gather disparate data from various data sources, analyzes and normalizes the data to ensure quality of data for analysis. Responsible for providing consistent, relevant and accurate data as well as guidance/knowledge of the data and definitions that are available for analysis.</p><p>Major Tasks, Responsibilities, and Key Accountabilities:</p><ul><li>Serves as a resource to assigned client in area of expertise.</li><li>Gathers and compiles raw data; conducts research for industry trends and benchmarks; and normalizes data to be incorporated into a centralized data format.</li><li>Analyzes, reports, makes comparisons to industry/company benchmarks, determines trends, and prepares cost analyses.</li><li>Defines data definitions and documents data limitations.</li><li>Prepares spreadsheets for data analysis; prepare reports with charts and graphs, mailing lists, maps and ad hoc requests. May make presentations.</li><li>Provides recommendations based on findings and analysis; provides input on policies and procedures.</li><li>Participates in department and interdepartmental projects.</li><li>Performs other duties as assigned.</li></ul><p>Nature and Scope: Demonstrates skill in data analysis techniques by resolving missing/incomplete information and inconsistencies/anomalies in more complex research/data. Nature of work requires increasing independence; receives guidance only on unusual, complex problems or issues. Work review typically involves periodic review of output by a supervisor and/or direct customers of the process. May provide general guidance/direction to or train junior level support or professional personnel.</p><p>Work Environment: Located in a comfortable indoor area. Any unpleasant conditions would be infrequent and not objectionable. Most of the time is spent sitting in a comfortable position and there is frequent opportunity to move about. On rare occasions there may be a need to move or lift light articles. No travel required.</p><p>Education and Experience: Typically requires BS/BA in a related discipline. Generally 2-5 years of experience in a related field OR MS/MA and generally 2-4 years of experience in a related field. Certification is required in some areas.</p><p>Our Goals for Diversity, Equity, and Inclusion: We are committed to creating a culture that promotes equity, respect, and advocacy for every HD Supply associate. We value the diversity of our people.</p><p>Equal Employment Opportunity: HD Supply is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.</p></div>

<div><h2>Job Title</h2><p>Gather disparate data from various data sources, analyzes and normalizes the data to ensure quality of data for analysis. Responsible for providing consistent, relevant and accurate data as well as guidance/knowledge of the data and definitions that are available for analysis.</p><h3>Major Tasks, Responsibilities, and Key Accountabilities</h3><p>Serves as a resource to assigned client in area of expertise.</p><p>Gathers and compiles raw data; conducts research for industry trends and benchmarks; and normalizes data to be incorporated into a centralized data format.</p><p>Analyzes, reports, makes comparisons to industry/company benchmarks, determines trends, and prepares cost analyses.</p><p>Defines data definitions and documents data limitations.</p><p>Prepares spreadsheets for data analysis; prepare reports with charts and graphs, mailing lists, maps and ad hoc requests. May make presentations.</p><p>Provides recommendations based on findings and analysis; provides input on policies and procedures.</p><p>Participates in department and interdepartmental projects.</p><p>Performs other duties as assigned.</p><h3>Nature and Scope</h3><p>Demonstrates skill in data analysis techniques by resolving missing/incomplete information and inconsistencies/anomalies in more complex research/data.</p><p>Nature of work requires increasing independence; receives guidance only on unusual, complex problems or issues. Work review typically involves periodic review of output by a supervisor and/or direct customers of the process.</p><p>May provide general guidance/direction to or train junior level support or professional personnel.</p><h3>Work Environment</h3><p>Located in a comfortable indoor area. Any unpleasant conditions would be infrequent and not objectionable.</p><p>Most of the time is spent sitting in a comfortable position and there is frequent opportunity to move about. On rare occasions there may be a need to move or lift light articles.</p><p>No travel required.</p><h3>Education and Experience</h3><p>Typically requires BS/BA in a related discipline. Generally 2-5 years of experience in a related field OR MS/MA and generally 2-4 years of experience in a related field. Certification is required in some areas.</p><h3>Our Goals for Diversity, Equity, and Inclusion</h3><p>We are committed to creating a culture that promotes equity, respect, and advocacy for every HD Supply associate. We value the diversity of our people.</p><h3>Equal Employment Opportunity</h3><p>HD Supply is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.</p></div>

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Decreasing Comments	Product Metrics	Easy	Very High

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