Question: Observations are taken on sales of a certain mountain bike

Observations are taken on sales of a certain mountain bike in 30 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) Calculate the t statistic for each coefficient to test for β = 0.
(b) Look up the critical value of Student's t in Appendix D for a two-tailed test at α = .01. Which coefficients Bikes differ significantly from zero?
(c) Use Excel to find the p-value for each coefficient.



Sale on SolutionInn
Sales0
Views131
Comments
  • CreatedAugust 19, 2015
  • Files Included
Post your question
5000