For the Situation Above, Give a Practical Interpretation Of $t = 6.67$

Multiple Choice

For the situation above, give a practical interpretation of $t = 6.67$ .

A) There is evidence (at $\alpha = .05$ ) to indicate that $\beta _ { 1 } = 0$ .
B) There is evidence (at $\alpha = .05$ ) of at least a positive linear relationship between SALARY and GMAT.
C) We estimate SALARY to increase $\$ 6.67$ for every 1 -point increase in GMAT.
D) Only $6.67 \%$ of the sample variation in SALARY can be explained by using GMAT in a straight-line model.