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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?

Statistics

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?

In an A/B test, how can you check if assignment to the various buckets was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

In an A/B test, which of the following is a common method to determine if the assignment to the test groups was truly random?

Random Bucketing

A/B Testing & Experimentation

At Barings, we are as invested in our associates as we are in our clients. We recognize those who work diligently for us and reward them for personal and professional integrity, communication skills, distinct competencies and expertise in specific strategies, ability to collaborate as a team member and true dedication to the interests of our clients. We thank you for your interest in joining the Barings team, and invite you to explore our current employment opportunities. Software Engineer - Quant Department name: Software Engineering Location: London Who We Are Barings as part of the MassMutual group, is a $345+ billion global financial services firm dedicated to meeting the evolving investment and capital needs of its clients. Through active asset management and direct origination, Barings provides innovative solutions and access to differentiated opportunities across public and private capital markets. A subsidiary of MassMutual, Barings maintains a strong global presence with business and investment professionals located across North America, Europe and Asia Pacific. Job Description We are looking for an experienced Software Engineer with a passion for Python and a knack for creating cutting-edge technology. This role offers a unique blend of technical challenges and the ability to make a major impact on the firm. At Barings, we are building a team of technical leaders passionate about emerging technologies and driving our business toward a data and engineering centric strategy. You will be responsible for working with various business partners across the Quant and Risk area to play a critical role in building out and enhancing the quant platform. Responsibilities <ul><li>Support automation and optimization of Quant Research processes</li><li>Work across asset-classes with particular focus on Fixed Income, Multi-Asset and Insurance</li><li>Work closely and collaboratively with our business partners to understand requirements and develop business focused solutions</li><li>Advanced proficiency in Python with a strong focus on Pandas and PySpark</li><li>Work in cross-functional agile teams to continuously experiment, iterate, and deliver on new objectives.</li><li>Strong track record in working with open-source projects and picking the right tool for the job by keeping up to date on the latest industry trends in upcoming technologies.</li><li>Ability to bring less experienced team members along for the ride with the ability to explain the complex technical topics and conduct code reviews.</li><li>Experience building data pipelines and orchestration frameworks </li></ul>Requirements <ul><li>Advanced Python</li><li>Strong knowledge of PySpark and the Databricks ecosystem</li><li>Implement scalable and re-usable frameworks and solutions utilizing good DevOps practices.</li><li>Strong software engineering fundamentals with a focus on writing clean, well-tested code</li><li>Good understanding of data and data architecture patterns</li><li>Experience with relational and time-series databases</li><li>Self-starter attitude</li><li>Ability to work with global teammates across three different time zones </li></ul>Desirable <ul><li>Good understanding of ML and NLP processes</li><li>Experience working in Cloud environments particularly inAzure</li><li>Experience working with and creating reusable Restful APIs</li><li>Working knowledge of PowerBI and report building</li><li>Working knowledge of Typescript and Angular </li></ul>Requisite Skills Python (Programming Language), SQL Coding Additional Skills Microsoft Power Business Intelligence (BI) Barings is an Equal Employment Opportunity employer; Minority/Female/Age/Sexual Orientation/Gender Identity/Individual with Disability/Protected Veteran. We welcome all persons to apply.

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Random Bucketing	A/B Testing & Experimentation	Medium	Very High

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