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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

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

Flexshopper Salaries by Position

Onsite opportunity located in Boca Raton five days a week. We're looking for a Risk Analyst, with passion for a fast-paced high-growth FinTech industry. About FlexShopper FlexShopper, LLC, a wholly owned subsidiary of FlexShopper, Inc. (Nasdaq: FPAY) is a financial and technology company that provides brand name durable goods to consumers on a lease-to-own (LTO) basis through its ecommerce marketplace (<a>www.FlexShopper.com</a>) and LTO payment method. FlexShopper also provides LTO technology platforms to retailers and e-tailers to enter into transactions with consumers who want to obtain durable goods, but do not have the available cash or credit. Risk Analyst will cooperate in FlexShopper's highly collaborative, fast-paced startup environment and contribute to the team and the organizations success while taking on the additional responsibility of serving as a respected subject matter expert. This position is responsible for overseeing the development, maintenance, and interpretation of strategies and policies for FlexShopper. Essential Duties and Responsibilities: Quantitative Analysis and Strategy: <ul><li>Works directly with various multi-disciplinary areas to identify and analyze potential risks, rewards, and opportunities that exist within FlexShopper's operating landscape.</li><li>Leads and conducts continuous research and statistical analysis, using existing & new data sources to identify factors that impact applicant’s risk.</li><li>Evaluates new strategies to reduce risk, with minimal impact to good customers, completes cost/benefits analyses and makes thoughtful recommendations.</li><li>Works as part of the Risk team to develop risk & fraud prevention strategy criteria, evaluates, and communicates multiple scenarios, works with leadership to assess, deploy, and maintain strategies and policies.</li><li>Conducts performance monitoring and attribution analysis around effectiveness of Risk tools.</li><li>Seeks and generates new ideas to enhance business policies to derive actionable outcomes.</li><li>Succeeds in a fast paced, entrepreneurial and dynamic environment, while maintaining controls and operational excellence around all work products.</li></ul> Education and Experience: <ul><li>Bachelor’s degree in a technical discipline,</li><li>Master’s degree preferred: Mathematics, Statistics, Economics, Stem, Finance or Engineering.</li><li>At least 2 years in one or more areas of risk: Risk or Portfolio Management, Risk Analytics, Risk Policy, Model Development, Fraud Analytics, Fraud Prevention or Fraud Model development experience.</li><li>At least 4 years of financial industry experience preferred, consumer finance expertise preferred.</li></ul> Communication Skills:<ul><li>Creates strong partnerships with team members throughout the organization</li><li>Presents findings to all levels of leadership and has superb communication skills, both written and verbal</li><li>Answers complex analysis-related questions in a public setting</li><li>Creates clear documentation of standard operating procedures and best practices</li><li>Researches and recommends best practices, tools, and methodologies for ongoing improvement</li><li>Advocates Security, Information Privacy, and Risk Management policies, practices, and procedures</li></ul> Business Intelligence/Analytical Skills: <ul><li>Advanced analytical and problem-solving skills.</li><li>Solid understanding of statistical methods of data analysis.</li><li>Familiarity with technologies used in Risk Management and Fraud Prevention.</li><li>Expertise in risk criteria and risk strategy creation, deployment, and maintenance.</li></ul> FlexShopper is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any other characteristic protected by law.

Flexshopper Interview Questions

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Flexshopper Interview Questions

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