Below you are given a partial computer output from a multiple regression analysisbased on a sample of 16 observations.

Coefficients Standard Error

Constant 12.924 4.425

x₁ -3.682 2.630

x₂ 45.216 12.560

Analysis of Variance

Source of

Variation Degrees of Freedom Sum of Squares Mean Square F

Regression 4853 2426.5

Error 485.3

We want to test whether the parameter₁is significant. The test statistic equals:

a. 3.6

b. 1.4

c. -5.0

d. -1.4

The F value obtained from the table which is used to test if there is a relationship among the variables at the 5% level equals:

a. 19.41

b. 3.81

c. 3.41

d. 3.63

PS. Please help, much needed, thank you for all you do for fellow students like me! (: