The Consumer Reports Restaurant Customer SatisfactionSurvey is based upon 148,599 visits to full-service restaurantchains.† Assume the following data are representative of theresults reported. The variable type indicates whether therestaurant is an Italian restaurant or a seafood/steakhouse. Priceindicates the average amount paid per person for dinner and drinks,minus the tip. Score reflects diners' overall satisfaction, withhigher values indicating greater overall satisfaction. A score of80 can be interpreted as very satisfied. (Letx₁ represent average meal price,x₂ represent type of restaurant, and yrepresent overall customer satisfaction.)

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	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

(a)

Develop the estimated regression equation to show how overallcustomer satisfaction is related to the independent variableaverage meal price. (Round your numerical values to two decimalplaces.)

? = ___________

(b)

At the 0.05 level of significance, test whether the estimatedregression equation developed in part (a) indicates a significantrelationship between overall customer satisfaction and average mealprice. (Use an F test.)

Find the value of the test statistic. (Round your answer to twodecimal places.) __________

Find the p-value. (Round your answer to three decimalplaces.)

p-value = 0.005

(d)

Develop the estimated regression equation to show how overallcustomer satisfaction is related to the average meal price and thetype of restaurant. (Use the dummy variable developed in part (c).Round your numerical values to two decimal places.)

? = __________

Find the value of the test statistic. (Round your answer to twodecimal places.) __________9.99 and 10.00 are both wrong

Find the p-value. (Round your answer to three decimalplaces.)

p-value = ____________0.001 and 0.00 are both wrong

Predict the Consumer Reports customer satisfaction scorefor a seafood/steakhouse that has an average meal price of $15.(Round your answer to two decimal places.)  

How much would the predicted score have changed for an Italianrestaurant? (Round your answer to two decimal places.)75.95

The predicted satisfaction score increases by __________ pointsfor Italian restaurants