bservations are taken on sales of a certain mountain bike in 20 sporting goods stores. The regression model was Y = total sales (thousands of dollars), X1 = display 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 "0" wherever required. Round your t-values to 3 decimal places and p-values to 4 decimal places.) predictor coefficient SE tcalc p-value intercept 1215.4 381 floorspace 11.335 1.61 competingads -6.005 3.986 price -0.14891 0.8723
bservations are taken on sales of a certain mountain bike in 20 sporting goods stores. The regression model was Y = total sales (thousands of dollars), X1 = display 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 "0" wherever required. Round your t-values to 3 decimal places and p-values to 4 decimal places.) predictor coefficient SE tcalc p-value intercept 1215.4 381 floorspace 11.335 1.61 competingads -6.005 3.986 price -0.14891 0.8723
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Observations are taken on sales of a certain mountain bike in 20 sporting goods stores. The regression model was Y = total sales (thousands of dollars), X1 = display 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 "0" wherever required. Round your t-values to 3 decimal places and p-values to 4 decimal places.)
| predictor | coefficient | SE | tcalc | p-value |
| intercept | 1215.4 | 381 | ||
| floorspace | 11.335 | 1.61 | ||
| competingads | -6.005 | 3.986 | ||
| price | -0.14891 | 0.8723 |
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