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The Consumer Reports Restaurant Customer Satisfaction Survey is based upon 148,599 visits to full-service restaurant chains (Consumer Reports website, February 11, 2009). Assume the following data are representative of the results reported. The variable type indicates whether the restaurant is an Italian restaurant or a seafood/steakhouse. Price indicates the average amount paid per person for dinner and drinks, minus the tip. Score reflects diners’ overall satisfaction, with higher values indicating greater overall satisfaction. A score of 80 can be interpreted as very satisfied.
|
Restaurant |
Type |
Price ($) |
Score |
|
Bertucci's |
Italian |
16 |
77 |
|
Black Angus Steakhouse |
Seafood/Steakhouse |
24 |
79 |
|
Bonefish Grill |
Seafood/Steakhouse |
26 |
85 |
|
Bravo! Cucina Italiana |
Italian |
18 |
84 |
|
Buca di Beppo |
Italian |
17 |
81 |
|
Bugaboo Creek Steak House |
Seafood/Steakhouse |
18 |
77 |
|
Carrabba's Italian Grill |
Italian |
23 |
86 |
|
Charlie Brown's Steakhouse |
Seafood/Steakhouse |
17 |
75 |
|
Il Fornaio |
Italian |
28 |
83 |
|
Joe's Crab Shack |
Seafood/Steakhouse |
15 |
71 |
|
Johnny Carino's Italian |
Italian |
17 |
81 |
|
Lone Star Steakhouse & Saloon |
Seafood/Steakhouse |
17 |
76 |
|
LongHorn Steakhouse |
Seafood/Steakhouse |
19 |
81 |
|
Maggiano's Little Italy |
Italian |
22 |
83 |
|
McGrath's Fish House |
Seafood/Steakhouse |
16 |
81 |
|
Olive Garden |
Italian |
19 |
81 |
|
Outback Steakhouse |
Seafood/Steakhouse |
20 |
80 |
|
Red Lobster |
Seafood/Steakhouse |
18 |
78 |
|
Romano's Macaroni Grill |
Italian |
18 |
82 |
|
The Old Spaghetti Factory |
Italian |
12 |
79 |
|
Uno Chicago Grill |
Italian |
16 |
76 |
c. Develop the estimated regression equation to show how overall customer satisfaction is related to the average meal price and the type ofrestaurant.
d. Is type of restaurant a significant factor in overall customersatisfaction?
e. Predict the Consumer Reports customer satisfaction score for a seafood/steakhouse that has an average meal price of $20. How much would the predicted score have changed for an Italian restaurant?
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