Please provide assistance in answering these questions. Thank you.

Observations are taken on sales of a certain mountain bike in 27 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 1,227.5 331.4 FloorSpace 11.186 1.91 Competing Ads -6.920 3.923 Price -0.14896 0.08989 (b1) What is the critical value of Student's tin Appendix D for a two-tailed test at a = .01? (Round your answer to 3 decimal places.) tvalue = |:|