C 4cd.instructure.com Quiz: Business Stats Final If we are testing for the diffe

Question

C 4cd.instructure.com Quiz: Business Stats Final If we are testing for the difference between the means o... Question 48 3 pts TABLE 12-12 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: Multiple R R Square Adjusted R Square Standard Error 09447 0.8924 0.8886 0.3342 30 Sipnicance T-25.0438-259439-2322200 Tg46ET5 28 3.1282 0.1117 Residual Total Error Intercept nvoices Processed 0.4024 0.1236 32550 0.0030 0.0126 0.0008 15 2388 4.3946E-15 Invoices Processed Residual Plot 08 06 04

Explanation / Answer

from above given ANOVA table:

error sum of square =SS (residual) =3.1282

therefore option 3.1282 is correct

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