A supermarket has noticed a recent increase in the number of people venting their frustrations on social media about excessive waiting times during check-out. Even though they hire additional staff during peak shopping hours, they're not sure if they should hire even more staff during these peak hours or allocate some staff to non-peak hours. For a random selection of times during peak hours and another random selection of times during non-peak hours, the manager-on-duty goes to the check-out lanes and counts the number of people waiting in line. (a) Which type of hypothesis test should the supermarket use to determine if there is a difference in the number of people waiting in line during peak vs. non-peak hours?
(b) What is the meaning of a. Tyre. I. error. in. this. context? The supermarket concludes --- when in reality