Skill readiness test

Staff Machine Learning Engineer, Causal Inference at DoorDash USA

2 questions, about 3 minutes. This is a diagnostic, not a certification — it estimates your skill readiness, it does not guarantee you are qualified for or will be hired into this role.

1. Which measure of central tendency is least affected by extreme outliers?

Mean Median Range Standard deviation

2. A p-value of 0.03 from a hypothesis test at a 0.05 significance threshold suggests:

The null hypothesis is definitely false There is statistically significant evidence against the null hypothesis The result is not usable The sample size was too small