A beverage company is running two studies: Study A: Compares…
A beverage company is running two studies: Study A: Compares the average number of Coke Zero cans consumed per week between two independent groups: gym-goers and non-gym-goers. Study B: Measures the same group of customers’ satisfaction with Coke Zero before and after a packaging redesign. Which of the following best identifies the correct hypothesis test for each study?