Question

Blue Origin and SpaceX make reusable rockets that go to space and we want to contract with one of them to deploy a research satellites, but not all rocket launches perform equally. You are given a dataset of 12 Blue Origin launches and 12 SpaceX launches, with standardized numeric performance scores for each launch.

What type of test would you use to answer this question?

A. Two sample paired t test

B. one sample t test

C. two sample independent t test

D. one sample z test

Will this be a one-tail or two-tail test?

A. two tail

B. one tail

Answer 1

Two different samples are used to determine the quality of the rockets.

The sample is independent so will use C. two-sample independent t-test

We need to check if one is better than other

we will use one tail