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Rangam consultants Interview Questions

A/B Testing

Algorithms

Analytics

Machine Learning

Probability

Product Metrics

Python

Statistics

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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?

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 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.

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

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

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?

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?

ON-SITE in San Jose, CARequired:<ul><li>ServiceNow System Admin certification (must)</li><li>HRSD Implementation certification (preferred)</li><li>Hands-on experience in HRSD configurations (must)</li></ul> Absolute Must-Haves on Resume<ul><li>ServiceNow experience – must show hands-on exposure, especially HRSD modules.</li><li>Implementation / hands-on configuration experience – practical work, not just theory.</li><li>Analyst work experience – requirement gathering, UAT, bridging business & tech.</li><li>Defect testing / issue resolution – navigating, reproducing, testing defects.</li><li>Certifications – relevant ServiceNow or HRSD certifications highlighted.</li></ul>These above five are non-negotiable. Core Role Requirements: The role is primarily a ServiceNow analyst position, not a developer role. Job Summary<ul><li>As an HRSD Product Analyst, you will play a critical role in supporting the HRSD Product Manager during run the business (RTB) activities, as well as project support.</li><li>You will be able to get vast experience within various applications in ServiceNow, but primarily be working under the HRSD (Employee Workflows) scope and applications gathering, documenting, testing, and releasing core functionality for the business teams across our Employee Experience (EX) function, such as Payroll, Equity, Benefits, HR, Global Mobility, etc.</li></ul> Functional:<ul><li>4+ years Product/Business Analysis with 2+ in ServiceNow HRSD</li><li>Strong HRSD architecture knowledge and hands-on experience</li><li>Ability to write precise requirements, epics, stories, and acceptance criteria</li><li>Experience using Jira</li></ul> The ideal candidate must:<ul><li>Understand ServiceNow configuration, HRSD modules, and defect testing/resolution.</li><li>Be able to navigate the system, reproduce issues, test themselves, and write basic technical requirements from business requirements.</li><li>Work with both stakeholders and engineering teams, acting as a bridge between business and technology.</li></ul> Skills & Experience:<ul><li>Experience in UAT cycles, requirement gathering, and project team work.</li><li>Jira experience is a plus but not mandatory.</li><li>Good communication skills are critical, especially since the role is US-based and stakeholders will be in different time zones.</li><li>Self-starter who can lead small projects with minimal oversight.</li></ul>

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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