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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 we have a table with an <code>id</code> and <code>name</code> fields. The table holds over 100 million rows and we want to sample a random row in the table without throttling the database.

Write a query to randomly sample a row from this table.

Input:

<code>big_table</code> table

<table>
<thead>
<tr>
<th>Columns</th>
<th>Type</th>
</tr>
</thead>

<tbody>
<tr>
<td><code>id</code></td>
<td>INTEGER</td>
</tr>

<tr>
<td><code>name</code></td>
<td>VARCHAR</td>
</tr>
</tbody>
</table>

Write a query to randomly sample a row from a big table.

Random SQL Sample

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?

American Credit Acceptance Salaries by Position

Overview: Are you passionate about technology and business, and ready to learn what it takes to help a private, fast-growing company innovate and execute in the fintech space? American Credit Acceptance (ACA) is looking for talented technologists to join our IT team, and develop their software engineering skills while contributing across a wide spectrum of projects and technologies. Essential Functions<ul><li dir="auto">Develop your application development skills, while making direct contributions as you learn with a focus UI</li><li dir="auto">Join agile Product Teams practicing rapid software development and delivery</li><li dir="auto">Learn and contribute to digital, mobile, and customer engagement products</li><li dir="auto">Learn and contribute to machine learning pipelines and AWS cloud computing</li><li dir="auto">Work directly with business leaders and subject matter experts on the most important things that drive value to the business</li><li dir="auto">Seek out, research and experiment with new technologies </li></ul> Qualifications<ul><li dir="auto">Bachelors Degree or higher, in Computer Science or a related technology discipline strongly preferred</li><li dir="auto">Experience or coursework with some of the following technologies:<ul><li dir="auto">.Net Framework and Core</li><li dir="auto">C#, JavaScript, JQuery, CSS, Angular, HTML</li><li dir="auto">Web Services, Web API, JSON, XML</li><li dir="auto">AWS</li><li dir="auto">SQL Server, Python, R, Redshift</li><li dir="auto">Source Code Control (SVN, github, Bitbucket, TFS)</li></ul></li><li dir="auto">Desire to maintain and develop applications from conception to implementation</li><li dir="auto">Strong problem-solving skills</li><li dir="auto">Demonstrated ability to learn new things with initiative, curiosity and courage</li><li dir="auto">Ability to work within teams </li><li dir="auto">Excellent communication skills</li></ul>Supervisory Responsibility This position has no supervisory responsibilities. Work Environment and Physical Demands This job operates in a professional office environment. This role routinely uses standard office equipment such as computers, phones, photocopiers, filing cabinets and fax machines. Position Type/Expected Hours of Work This is a full-time position. Hours and days of work may vary or exceed 40 in any given week depending on the needs of the business. Travel This position will require up to 20% travel. EEO Statement ACA provides equal employment opportunities (EEO) to all applicants for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. ACA complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. California Privacy Notice "As an employer of California residents, we are dedicated to protecting your privacy rights. Any personal information you provide during the application process will be used solely for permitted internal purposes and will be handled in accordance with applicable privacy laws. By applying to this position, you consent to the collection, use, and disclosure of your personal information as described in our <a href="http://www.americancreditacceptance.com/wp-content/uploads/2024/05/ACA%20California%20Employee%20Privacy%20Notice%20Addendum.pdf" target="_blank" rel="noopener">Employee Privacy Notice</a>."

American Credit Acceptance Interview Questions

American Credit Acceptance Interview Guides

American Credit Acceptance Interview Questions

American Credit Acceptance Salaries by Position

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