For Exercises 35–38, do the following: (a) State which type of study is involved: experimental or observational. (b) Identify the response variable and the predictor variable.

Question 1.133

37. A manufacturer is interested in whether a new computer processor will improve the performance of its electronics equipment.

1.3.37

(a) Experimental (b) response variable: performance of the electronics equipment; predictor variable: whether or not a piece of equipment has a new computer processor