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Observations are taken on sales of a certain mountain bike in 20 sporting goods

ID: 3375896 • Letter: O

Question

Observations are taken on sales of a certain mountain bike in 20 sporting goods stores. The regression model was Ytotal sales (thousands of dollars), X1display floor space (square meters), X2- competitors' advertising expenditures (thousands of dollars), X3 = advertised price (dollars per unit). (a) Fill in the values in the table given here. (Negative values should be indicated by a minus sign. Leave no cells blank be certain to enter "O" wherever required. Round your t-values to 3 decimal places and p-values to 4 decimal places.) SE Predictor Intercept FloorSpace Coefficient 1,215.4 1.335 p-value 381.0 1.61 Competing Ads 6.005 3986 0.148910.08723

Explanation / Answer

as tcalc =coefficient/SE

predictor coefficient SE tcalc p value intercept 1215.4000 381 3.190 0.0057 floorspace 11.3350 1.61 7.040 0.0000 Competing ads -6.0050 3.9860 -1.507 0.1513 Price -0.14891 0.08723 -1.707 0.1072