Chapter 10: one-sample t-Test...(37.5 points)

You are the Senior Quality Control Manager at "Bullard's Gourmet Cheesyburger Drive-Thru Cafe."Home of the 3-cheese, double cheeseburger with extra bacon and sausage!

...but I digress.

You are measuring the average number of mistakes on customer orders the employees make over the past 36 days.Your boss wants to know if there is a difference between your store and the national chain.Since you are a PPCC graduate, your boss is 99.7% certain that only you can answer this question.

You perform measurements of your company and find the following data:

Daily Mistaakes

X

24.51

22.69

s

3.86

n

36

Is your store making more mistakes than the national average?(Has Mu increased nationwide?) With a 0.05 Significance Level, find the answer.

Do all work on worksheet(page 5)

Copy Answer here: t = __________(5 points)

Chap 10: One Sample t-Test

Step 1: _____________________________

Step 2: _____________________________

Step 3: _____________________________

Step 4: _____________________________

Draw curve

Step 6:Conclusion: