TABLE 13-12 The Manager of the Purchasing Department of a Large Saving

Multiple Choice

TABLE 13-12
The manager of the purchasing department of a large saving and loan organization would like to develop a model to predict the amount of time (measured in hours) it takes to record a loan application.Data are collected from a sample of 30 days,and the number of applications recorded and completion time in hours is recorded.Below is the regression output:
-Referring to Table 13-12,the degree(s) of freedom for the t test on whether the number of loan applications recorded affects the amount of time is (are)

A) 1.
B) 28.
C) 29.
D) 30.