Exhibit 12-4
The following information regarding a dependent variable (Y) and an independent variable (X) is provided.
SSE = 6
SST = 16
-Refer to Exhibit 12-4. The MSE is
A)1
B)2
C)3

Question

Exhibit 12-4
The following information regarding a dependent variable (Y) and an independent variable (X) is provided.
  SSE = 6
SST = 16
-Refer to Exhibit 12-4. The MSE is
A)1 
B)2 
C)3

Quizplus · Accepted Answer

MSE (Mean Squared Error) can be calculated as SSE (Sum of Squared Error) divided by the degrees of freedom. Degrees of freedom can be calculated by subtracting 1 from the number of observations. 
Here, SSE = 6 and SST = 16. So, we can calculate the degree of freedom as (n-1) = (SST/SSE-1) = (16/6-1) = 2.67
As the degree of freedom cannot be a fraction, we round it down to the nearest integer, which is 2. 
Therefore, MSE = SSE/df = 6/2 = 2. 
Hence, the best choice is B, which is 2.

Exhibit 12-4 the Following Information Regarding a Dependent Variable (Y) and an and an Independent