Exhibit 4 (Questions 28-31)
The following information regarding a dependent variable (Y) and
an independent variable (X) is provided.
Y
X
4
3
3
2
4
5
6
4
8
6
QUESTION 28
Refer to Exhibit 4. The least squares estimate of the slope,
b1, is
A. 1
B. 2
C. 3
D. 4
QUESTION 29
Refer to Exhibit 4. The least squares estimate of the Y
intercept, b0, is
A. 1
B. 2
C. 3
D. 4
QUESTION 30
Refer to Exhibit 4. The estimate of Y when X=2 is
A. 1
B. 2
C. 3
D. 4
QUESTION 31
Refer to Exhibit 4. What is the sum of squares due to error?
A. 5
B. 2
C. 3
D. 6