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

Question 128

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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:
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<sup>-15</sup> -Referring to Table 13-12, the 90% confidence interval for the average change in the amount of time needed as a result of processing one additional invoice is A) wider than [0.1492, 0.6555]. B) narrower than [0.1492, 0.6555]. C) wider than [0.0109, 0.0143]. D) narrower than [0.0109, 0.0143]. Note: 4.3946E-15 is 4.3946×10-15
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<sup>-15</sup> -Referring to Table 13-12, the 90% confidence interval for the average change in the amount of time needed as a result of processing one additional invoice is A) wider than [0.1492, 0.6555]. B) narrower than [0.1492, 0.6555]. C) wider than [0.0109, 0.0143]. D) narrower than [0.0109, 0.0143]. 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<sup>-15</sup> -Referring to Table 13-12, the 90% confidence interval for the average change in the amount of time needed as a result of processing one additional invoice is A) wider than [0.1492, 0.6555]. B) narrower than [0.1492, 0.6555]. C) wider than [0.0109, 0.0143]. D) narrower than [0.0109, 0.0143].
-Referring to Table 13-12, the 90% confidence interval for the average change in the amount of time needed as a result of processing one additional invoice is


A) wider than [0.1492, 0.6555].
B) narrower than [0.1492, 0.6555].
C) wider than [0.0109, 0.0143].
D) narrower than [0.0109, 0.0143].

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