please explain answer as well so I can learn how Refer to th

*please explain answer as well so I can learn how

Refer to the ANOVA table for this regression.

7.

Use Appendix F to look up the critical value of F for ? = 0.05. (Round your answer to 2 decimal places.)

  F_0.05

Solution

Degrees of freedom between = k - 1 = 3 - 1 = 2
Degrees of freedom Within = n - k = 24 - 3 = 21

Use the F-statistic is ROUND(FINV(0.05,2,20),2) = 3.49