A consumer group would like to compare the satisfaction ratings of three fast food restaurants McDoogles, Burger Queen, and Windys A random sample of satisfaction scores on a scale of 1 20 was collected from customers at each restaurant These data can also be found in the Excel file fast food xlsx The scores are as follows a Perform a one way ANOVA using 0 05 to determine if there is a difference in the average satisfaction scores for the three restaurants b If warranted, perform a multiple comparison test to determine which pairs are different using 0 05 c Verify your results with Excel or PHStat McDoogles Buer Queen Windys 16 19 14 12 18 17 16 14 13 12 10 12 I8 14 16 16 15

Question: A consumer group would like to compare the satisfaction ratings of three fast food restaurants: McDoogles, Burger Queen, and Windys. A random sample of satisfaction

A consumer group would like to compare the satisfaction ratings of three fast food restaurants: McDoogles, Burger Queen, and Windys. A random sample of satisfaction scores on a scale of 1– 20 was collected from customers at each restaurant. These data can also be found in the Excel file fast food.xlsx. The scores are as follows:

McDoogles Buer Queen Windys 16 19 14 12 18 17 16 14

a. Perform a one way ANOVA using α = 0.05 to determine if there is a difference in the average satisfaction scores for the three restaurants.

b. If warranted, perform a multiple comparison test to determine which pairs are different using α = 0.05.

c. Verify your results with Excel or PHStat.

McDoogles Buer Queen Windys 16 19 14 12 18 17 16 14 13 12 10 12 I8 14 16 16 15

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