Information Subject X Y 1 18 22 2 13 19 3 25 35 4 16 24 5 27

Information

       Subject                   X                                Y

            1                      18                                22

            2                      13                                19

          3                      25                                35

            4                      16                                24

            5                      27                                56

            6                      16                                25

            7                      9                                30

Question 8 (1 point)

df =

Question 8 options:

10

5

14

11

Solution

Note that for a linear regression of a single explanatory variable (x),

df = n - 2

Here, n = 7. Thus,

df = n - 2 = 5 [ANSWER, OPTION B]