Prepare for and practice interview questions from Commerce Bank.

Commerce Bank Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

Commerce Bank Interview Guides

<p>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.</p>

<p>What factors could have biased this result, and what would you look into?</p>


<p>What could potentially bias the average boarding time in favor of an airline that only flies domestically?</p>

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?

<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 you work for a social media company that has just done a launch in a new city. Looking at weekly metrics, you see a slow decrease in the average number of comments per user from January to March in this city.</p>

<p>The company has been consistently growing new users in the city from January to March.</p>

<p>What are some reasons why the average number of comments per user would be decreasing and what metrics would you look into?</p>


<p>What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?</p>

What metric could be used to measure if active users are still engaging on the platform despite an overall decrease in the average number of comments per user?

Decreasing Comments

How would you investigate a decline in the average number of comments per user?

<div><h2>Sales Enablement Data Analyst</h2><p>The Sales Enablement Data Analyst is part of a team that is responsible for helping target and progress prospecting efforts by developing and executing campaigns and reporting. The Data Analyst supports the Sales Enablement Team by developing, vetting and producing a lead/contact campaign list, (with an 80-90% level of accuracy) that meets the request of the Commercial Payments sales team within Insight360 (Salesforce).</p><h3>Essential Functions</h3><ul><li>Support team members by following the lead generation work flow to identify net new leads/prospects, including detailed contact information utilizing; Data.com, ZoomInfo, Insight360, Definitive Healthcare, and LinkedIn</li><li>Produce and import lists and follow-up campaign activities into Insight360</li><li>Upload targeted lists to campaigns for return on investment tracking</li><li>Build reports to monitor sales movement for campaign initiatives and track return on investments, while identifying ways to help improve the process</li><li>Work with team members to identify, organize, and focus prospecting efforts on medium priority prospects within Insight360</li><li>Support team members with the primary goal of building brand awareness, nurturing current relationships for cross-selling opportunities, and growing sales with net new accounts and markets. Accounts and markets will be defined by leadership.</li><li>Perform other duties as assigned</li></ul><h3>Knowledge, Skills & Abilities Required</h3><ul><li>Experience with Salesforce.com or another sales focused client relationship management software</li><li>Strong technical analysis skills</li><li>Motivated and organized self-starter with strong attention to detail and the ability to manage multiple priorities</li><li>Inquisitive, agile and strong team player with excellent written, verbal and interpersonal communication skills</li><li>Ability to remain adaptable and resilient to all situations with an optimistic outlook and cast a positive shadow that is aligned with our culture and Core Values</li><li>Intermediate level proficiency with Microsoft Word, Excel, Teams and Outlook</li></ul><h3>Education & Experience</h3><ul><li>Bachelor's degree in business, finance, computer science or related or equivalent combination of education and experience required</li><li>1+ years related campaign experience required</li></ul></div>

Question	Topic	Difficulty	Ask Chance
Boarding Times Bias	Statistics	Medium	Very High
Hundreds of Hypotheses	Statistics	Medium	Very High
Decreasing Comments	Product Metrics	Easy	Very High

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