Refer to the previous exercise The correlation with the cost of a dinner is 0 68 for food quality rating, 0 69 for service rating, and 0 56 for dcor rating According to the definition of r 2 as a measure for the reduction in the prediction error, which of these three ratings can be used to make the...

Since the service rating has th ...

Refer to the previous exercise. The correlation with the cost of a dinner is 0.68 for food

Question:

Refer to the previous exercise. The correlation with the cost of a dinner is 0.68 for food quality rating, 0.69 for service rating, and 0.56 for décor rating. According to the definition of r² as a measure for the reduction in the prediction error, which of these three ratings can be used to make the most accurate
predictions for the cost of a dinner: quality of food, service, or décor? Why?