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<p>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.</p>

<p>How would you assess the validity of the result?</p>


Experiment Validity

<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 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.</p>

<p>Write a query to randomly sample a row from this table.</p>

<p><strong>Input:</strong></p>

<p><code>big_table</code> table</p>

<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

Wayup Salaries by Position

<p>This role is with Freddie Mac. WayUp is partnering with Freddie Mac to hire top talent.

At Freddie Mac, you will do important work to build a better housing finance system and you'll be part of a team helping to make homeownership and rental housing more accessible and affordable across the nation.

Position Overview: Are you looking for an inclusive company culture that provides you the experience and resources needed to launch a successful career in the commercial real estate industry? In Freddie Mac Multifamily's two-year rotational program, you'll gain exposure and directly affect the affordability and stability of the U.S. housing market! Your role in risk analysis, deal execution and customer interaction impact the largest multifamily housing lender in the country. Apply now and learn why there is #MoreAtFreddieMac!

Our Impact: Multifamily offers a dynamic work environment, which allows Business Analysts to grow through a wide variety of experiences and responsibilities. As part of the Multifamily Rotation Program, you will have the opportunity to rotate through roles in the following areas receiving support through mentorship, group activities and learning opportunities with senior leadership.

Areas of Rotation: Asset Management and Operations Provide servicing throughout the life of the loan following origination
Supports servicing firms as they lead ongoing loan management performance, including a range of assessment, inspection, and quarterly reporting functions
Provide continuity of business performing technical updates, budgetary, and loan administration activities

Capital Markets Ensure new transactions are priced appropriately and timely
Support the securitization process by providing due diligence, document processing, and financial/statistical analysis, and ad-hoc research
Supervise and update inputs for pricing, status reports, and other driven analyses

Production and Sales Interact with our lenders on deal execution, property inspections, quoting and deal structuring, and working with the underwriting group to assess the risk of the deal
Partner with other Multifamily departments to ensure volume, profitability, and affordable housing targets

Underwriting Work with the Production and Sales team on deal execution by assessing the risk of the deal, reviewing borrower financials, conducting market analysis, property inspections and communicating deals for approval
Ensure quality of underwriting data and analysis presented to external parties to securitization, report origination credit trends for securitized loans to senior management and the broader Division and support ongoing development and monitoring of Multifamily Credit Policy

Your Impact: In this role, you will be an integral part of a dynamic team and will be encouraged to:
Collaborate with all levels of employees including division leadership
Build professional relationships across the organization and improve your discernment through established training opportunities and day to day work execution
Implement deals and project requirements with the highest integrity and dedication to accomplish excellence
Assist with creating solutions that help with ensuring liquidity, stability, and affordability to the U.S. housing market
Qualifications: Bachelor's degree in Business Administration, Finance, Economics, Accounting, Real Estate, Math/Statistics, or related field
Availability to begin full-time employment in June 2024
Graduation no more than 18 months prior to start date
Keys to Success in this Role: Strong analytical and quantitative skills
Highly organized and diligent
Effective communication skills - written, verbal and interpersonal
Ability to work efficiently under timelines with a positive attitude
Must be an excellent teammate and able to work collaboratively
Problem solving ability
Strong Microsoft Office skills
Current Freddie Mac employees please apply through the internal career site.

Today, Freddie Mac makes home possible for one in four home borrowers and is one of the largest sources of financing for multifamily housing. Join our smart, creative and dedicated team and you'll do important work for the housing finance system and make a difference in the lives of others.

We are an equal opportunity employer and value diversity and inclusion at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by applicable law. We will ensure that individuals with differing abilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Notice to External Search Firms: Freddie Mac partners with BountyJobs for contingency search business through outside firms. Resumes received outside the BountyJobs system will be considered unsolicited and Freddie Mac will not be obligated to pay a placement fee. If interested in learning more, please visit www.BountyJobs.com and register with our referral code: MAC.

Time-type: Full time

FLSA Status: Non-Exempt

Freddie Mac offers a comprehensive total rewards package to include competitive compensation and market-leading benefit programs. Information on these benefit programs is available on our Careers site.

This position has an annualized market-based salary range of $60,000 - $90,000 and is eligible to participate in the annual incentive program. The final salary offered will generally fall within this range and is dependent on various factors including but not limited to the responsibilities of the position, experience, skill set, internal pay equity and other relevant qualifications of the applicant.

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