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 ($) Score Bertucci's Italian 16 77 Black Angus Steakhouse Seafood/Steakhouse 24 79 Bonefish Grill Seafood/Steakhouse 26 85 Bravo! Cucina Italiana Italian 18 84 Buca di Beppo Italian 17 81
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
The Consumer Reports Restaurant Customer Satisfaction Survey is based upon 148,599 visits to full-service restaurant chains (Consumer Reports website, February 11, 2009). Assume the following data are representative of the results reported. The variable type indicates whether the restaurant is an Italian restaurant or a seafood/steakhouse. Price indicates the average amount paid per person for dinner and drinks, minus the tip. Score reflects diners’ overall satisfaction, with higher values indicating greater overall satisfaction. A score of 80 can be interpreted as very satisfied.
|
Restaurant |
Type |
Price ($) |
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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