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

question 32

Multiple Choice

TABLE 13-12
The manager of the purchasing department of a large banking organization would like to develop a model to predict the amount of time (measured in hours) it takes to process invoices. Data are collected from a sample of 30 days, and the number of invoices processed and completion time in hours is recorded. Below is the regression output:
Note: 4.3946E-15 is 4.3946×10^-15

-Referring to Table 13-12, the value of the measured t-test statistic to test whether the amount of time depends linearly on the number of invoices processed is

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