Steve Blass owns two fast-food restaurants in Delaware:

one located in Stanton and another located in Newark.

Steve has recorded customer satisfaction ratings for both locations on a scale of 1 to 5 15 = Most satisfied2. The following table summarizes the data:

Number of Customers Rating Stanton Newark 1 4 12 2 12 12 3 8 18 4 36 15 5 20 18

a. Calculate the mean satisfaction rating at each location.

b. Calculate the standard deviation of each distribution.

c. What conclusions can be drawn from these results?

AppendixLO1