Architectural firms. Table 1.3 (page 13) contains data describing firms engaged

Question

Architectural firms. Table 1.3(page 13) contains data describing firms engaged in commercialarchitecture in the Indianapolis area. The regression line forpredicting total billings from number of full-time staff membersemployed is

billings = 0.2821 +(0.0917 × employed)

(a) Make a scatterplot and draw thisregression line on the plot. Using the regression equation, predictthe total billings of an architectural firm in Indianapolis with111 full-time staff members.

(b) Compare the observed totalbillings for the firm with 111 full-time staff members with yourprediction from part (a) by calculating the prediction error. Howaccurate was your prediction?

Explanation / Answer

YOu didn't mentioned the data without this wecannot draw the scatterplot
Given regression equation is billings = 0.2821 + (0.0917 ×employed Put employeed = 111 in the above equation wehave billings = 0.2821 + (0.0917 ×111)            =10.4608 Without the observed total billngs we cannotdifferentiate the actual values and the expectedvalues So please provide the datacompletely Without the observed total billngs we cannotdifferentiate the actual values and the expectedvalues So please provide the datacompletely

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