Question 1
Exhibit 12-2
You are given the following information about y and x.
Dependent Variable (Y) | Independent Variable (X) |
5 | 1 |
4 | 2 |
3 | 3 |
2 | 4 |
1 | 5 |
Refer to Exhibit 12-2. The point estimate of y when x = 10 is
◦
-10
◦
10
◦
-4
◦
4
Question 2
Exhibit 12-2
You are given the following information about y and x.
Dependent Variable (Y) | Independent Variable (X) |
5 | 1 |
4 | 2 |
3 | 3 |
2 | 4 |
1 | 5 |
Refer to Exhibit 12-2. The sample correlation coefficient equals
◦
0
◦
+1
◦
-1
◦
-0.5