DataInterview

[LinkedIn - Easy] Simpson's Paradox

[General - Medium] Customer Satisfaction Survey

[General - Medium] Health Monitoring Device

[General - Medium] Training Program

[General - Medium] Feature Preference Survey

[General - Easy] Birthday Problem

[General - Easy] Chance of Heads Flipping a Biased Coin

[Meta - Easy] Suits and Ranks

[Meta - Easy] Probability of Biased Coin

[Meta - Easy] Two Kings

[Meta - Easy] Facebook Rater

[Meta - Easy] Rains in Seattle

[Amazon - Easy] Detecting Disease

[Google - Medium] Median of Uniform Distribution

[Meta - Medium] Average Waiting Days

[Meta - Medium] Maximum Payout in Die Roll

[Goldman Sachs - Medium] Correlation of X+3 and Y

[Google - Medium] Maximum Likelihood Estimation

[General - Hard] Number of Trials to Detect Biased Coin

[Google - Hard] Estimate d in Uniform(0, d)

[Google - Easy] Pretest-Posttest

[Capital One - Easy] Explain P-Value to a Non-Technical Stakeholder

[General - Easy] Central Limit Theorem on T-Test

[General - Easy] Tests with Zero-Inflated, Skewed Distributions

[Google - Medium] Testing Variances

[General - Easy] Central Limit Theorem

[General - Easy] P-Value Meaning

[Google - Easy] CI from One-Sided Test

[Pinterest - Easy] Reduce Type 1 Error Rate

[Google - Easy] Difference between T-Test and Z-Test?

[Pinterest - Easy] Multiple Testing

[General - Easy] Explain the Confidence Interval

[Airbnb - Easy] CLT and Z-Test

[Google - Medium] Biased Coin Hypothesis Testing

[Uncountable - Hard] Factorial Design

[General - Easy] OLS Model Assumptions

[General - Easy] The Least Squares Method

[General - Easy] Collinearity in Regression Modeling

[General - Easy] Outliers in Regression Modeling

[General - Easy] Confidence Interval in Logistic Regression Model

[General - Easy] Inflated R-Squared

[Apple - Easy] Ad Campaign Conversion

[YouTube - Easy] YouTube Video Consumption - Part 1

[YouTube - Easy] YouTube Video Consumption - Part 2

[Apple - Medium] Call Center Analysis