2. From the above regression we calculate that MSR = XXXXXXXXXXand MSE= XXXXXXXXXXIf df is (3,21) at 2.5% significance level check whether the regression model has joint significance or not.

2. From the above regression we calculate that MSR = 83482.11839 and

MSE= 3059.970. If df is (3,21) at 2.5% significance level check whether the regression model has joint significance or not.