Don\'t worry about the Excel output questions if you don\'t want to- I really ju

Question

Don't worry about the Excel output questions if you don't want to- I really just need to get a 30 or better on this homework.

The University of Houston Daily Cougar newspaper wanted to compare the drive thru times (in seconds of the McDon ads and the un rK ng o e sto campus. Use the data in the Time sheet in this workbook to generate excel output to answer the following questions. Each orange numerical answer cell below MUST reference Excel output cells in the Time sheet. Question 4A Can you see from the data that the average drive-thru times of McDonalds and Burger King are different at =0.05? State the hypothesis in terms of McDonalds-Burger King Step 1: HO: Ha: Step 2: Fill in row 185 if the hypothesis is one tailed. Reject HO if Fill in row 189 if the hypothesis is two tailed. The smaller number must be typed first. Reject HO if Step 3: or Step 4: HO Step 6: Step 7: P-value Construct a 88% confidence interval for the difference in population averages. State the CI, in terms of McDonalds-Burger King. Lower Endpoint Upper Endpoint Cell referencing descriptive statistics off the Excel output generated for Parts A and B and using a looked up a table value averages. State the C.I. in terms of McDonalds-Burger King. Do NOT use the Confidence Interval section of the Excel output to solve this. Question 4C construct a 95% confidence interval for the difference in true Lower Endpoint Upper Endpoint

Explanation / Answer

Reject H0 if test statistics t is less than -2.0452 or test statistics is greater than 2.0452

t = -2.8988

Reject H0

p-value = 0.007

Given Data McD BK Name mean 145.454546 159.818182 Sample size 22 22 Std. dev. 9.18 21.35

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