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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?

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

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?

Numero Data Salaries by Position

Required Skills:<ul><li>Ideal candidate should have a degree in a quantitative field (e.g., mathematics, computer science, physics, economics, engineering, statistics, operations research, quantitative social science, etc.).</li><li>Basic Knowledge on software development principles and architecture.</li><li>Good analytical and problem-solving abilities.</li><li>Ability to break down and understand complex business problems, define a solution and implement it using advanced quantitative methods.</li><li>Familiarity with programming for data analysis; ideally Python, SQL, or R.</li><li>Solid oral and written communication skills, especially around analytical concepts and methods.</li><li>Great work ethic and intellectual curiosity.</li><li>Knowledge of Cloud technologies such as AWS or Google Cloud.</li><li>Knowledge of any relational database such as My SQL.</li><li>Must be a team player with excellent communication and problem-solving skills and have experience working with customers across teams.</li></ul>

Required Skills:
Ideal candidate should have a degree in a quantitative field (e.g., mathematics, computer science, physics, economics, engineering, statistics, operations research, quantitative social science, etc.).
Basic Knowledge on software development principles and architecture.
Good analytical and problem-solving abilities.
Ability to break down and understand complex business problems, define a solution and implement it using advanced quantitative methods.
Familiarity with programming for data analysis; ideally Python, SQL, or R.
Solid oral and written communication skills, especially around analytical concepts and methods.
Great work ethic and intellectual curiosity.
Knowledge of Cloud technologies such as AWS or Google Cloud.
Knowledge of any relational database such as My SQL.
Must be a team player with excellent communication and problem-solving skills and have experience working with customers across teams.

Required Skills: <ul> <li>Ideal candidate should have a degree in a quantitative field (e.g., mathematics, computer science, physics, economics, engineering, statistics, operations research, quantitative social science, etc.). </li><li>Basic Knowledge on software development principles and architecture. </li><li>Good analytical and problem-solving abilities. </li><li>Ability to break down and understand complex business problems, define a solution and implement it using advanced quantitative methods. </li><li>Familiarity with programming for data analysis; ideally Python, SQL, or R. </li><li>Solid oral and written communication skills, especially around analytical concepts and methods. </li><li>Great work ethic and intellectual curiosity. </li><li>Knowledge of Cloud technologies such as AWS or Google Cloud. </li><li>Knowledge of any relational database such as My SQL. </li><li>Must be a team player with excellent communication and problem-solving skills and have experience working with customers across teams. </li> </ul>

Numero Data Interview Questions

Numero Data Interview Guides

Numero Data Interview Questions

Numero Data Salaries by Position

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