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 oor 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 tvalues to 3 decimal places and p-values to 4 decimal places.) Predictor Coeicr'enl intercept 1,233.3 FloorSpace 11.221 Competing-\"ids 6 .731 Price 41.14013 (la-1] What is the critical value of Student's tin Appendix D for a twotailed test at a: .01? {Round your answer to 3 decimal places}