Consider the following regression line: $\widehat { \text { TestScore } } = 698.9 - 2.28 \times \text { STR }$
You are told that the t -statistic on the slope coefficient is 4.38 . What is the standard error of the slope coefficient?
A) 0.52
B) 1.96
C) -1.96
D) 4.38

Question

Consider the following regression line: $\widehat { \text { TestScore } } = 698.9 - 2.28 \times \text { STR }$
You are told that the  t -statistic on the slope coefficient is  4.38 . What is the standard error of the slope coefficient?
A)  0.52 
B)  1.96 
C)  -1.96 
D)  4.38

Quizplus · Accepted Answer

The t-statistic is calculated as the coefficient divided by its standard error. Therefore, the standard error of the slope coefficient is $ \frac{-2.28}{4.38} \approx 0.52 $.

Consider the Following Regression Line TestScore ^=698.9−2.28× STR \widehat { \text { TestScore } } = 698.9 - 2.28 \times \text { STR } TestScore =698.9−2.28× STR

Consider the Following Regression Line $\widehat { \text { TestScore } } = 698.9 - 2.28 \times \text { STR }$