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TABLE 12-12 The Manager of the Purchasing Department of a Large Savings

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TABLE 12-12
The manager of the purchasing department of a large savings 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:
TABLE 12-12 The manager of the purchasing department of a large savings 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: Note: 4.3946E-15 is 4.3946 x 10-15. -Referring to Table 12-12, the 90% confidence interval for the mean change in the amount of time needed as a result of recording one additional loan application 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 x 10-15.
TABLE 12-12 The manager of the purchasing department of a large savings 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: Note: 4.3946E-15 is 4.3946 x 10-15. -Referring to Table 12-12, the 90% confidence interval for the mean change in the amount of time needed as a result of recording one additional loan application 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 12-12 The manager of the purchasing department of a large savings 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: Note: 4.3946E-15 is 4.3946 x 10-15. -Referring to Table 12-12, the 90% confidence interval for the mean change in the amount of time needed as a result of recording one additional loan application 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 12-12, the 90% confidence interval for the mean change in the amount of time needed as a result of recording one additional loan application is

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