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Business, 02.07.2019 18:10 thomasbarbusca15

Question 5: 13.79 p. 469 (16 points) an accountant for a large department store has the business objective of developing a model to predict the amount of time it takes to process invoices. data are collected from the past 32 working days, and the number of invoices processed and completion time (in hours) are available in the worksheet invoice. (hint: first determine which are the independent and dependent variables.) assuming a linear relationship, use the least-squares method to compute the regression coefficients b0 and b1. interpret the meaning of the y intercept, b0, and the slope, b1. use the prediction line developed to predict the mean amount of time it would take to process 150 invoices. determine the coefficient of determination, r2, and interpret its meaning. plot the residuals against the number of invoices processed and also against time. based on these plots, does the model seem appropriate? what conclusions can you reach about the relationship between the number of invoices and the completion time?

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Question 5: 13.79 p. 469 (16 points) an accountant for a large department store has the business ob...
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