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Sample Size for Small Effects

PRICE WATERHOUSE COOPERSMediumStatistics & Probability00:00
PRICE WATERHOUSE COOPERS
Your interviewer · Data Scientist
In session
Interviewer

Welcome to your interview for the Data Scientist role at PRICE WATERHOUSE COOPERS.

The question is on your right: Sample Size for Small Effects. Take a moment with it first.

Talk your thinking through with me if you like - when you're confident, submit your answer and I'll grade it like a real screen. You have three graded attempts to score 7/10 or better.

Only Submit answer is graded - discussion is free practice.

Problem

How would you estimate the sample size needed for an experiment with a small expected effect size?