# Question

In Problem 12.5 on page 424, you used the summated rating to predict the cost of a restaurant meal (stored in Restaurants). For those data, SSR = 9,740.0629 and SST = 17,844.75.

a. Determine the coefficient of determination, r2, and interpret its meaning.

b. Determine the standard error of the estimate.

c. How useful do you think this regression model is for predicting the cost of a restaurant meal?

a. Determine the coefficient of determination, r2, and interpret its meaning.

b. Determine the standard error of the estimate.

c. How useful do you think this regression model is for predicting the cost of a restaurant meal?

## Answer to relevant Questions

In Problem 12.6 on page 424, an owner of a moving company wanted to predict labor hours, based on the cubic feet moved (stored in Moving ). Using the results of that problem, a. determine the coefficient of determination, ...In Problem 12.10 on page 424, you used box office gross to predict DVD revenue (stored in Movie). Using the results of that problem, a. determine the coefficient of determination, , and interpret its meaning. b. determine ...Fitting a straight line to a set of data yields the following prediction line: Ŷi = 16 – 0.5 Xi a. Interpret the meaning of the Y intercept, b0. b. Interpret the meaning of the slope, b1. c. Predict the value of Y for X ...A freshly brewed shot of espresso has three distinct components: the heart, body, and crema. The separation of these three components typically lasts only 10 to 20 seconds. To use the espresso shot in making a latte, a ...In Problem 12.7 on page 424, you used the plate gap in the bag sealing equipment to predict the tear rating of a bag of coffee. The data are stored in Starbucks . Use the results of that problem. a. At the 0.05 level of ...Post your question

0