Author Question: State University recently randomly sampled ten students and analyzed grade point average (GPA) and ... (Read 139 times)

hbsimmons88 · **on:** Jun 24, 2018

State University recently randomly sampled ten students and analyzed grade point average (GPA) and number of hours worked off-campus per week. The following data were observed:

GPA HOURS
3.14 25
2.75 30
3.68 11
3.22 18
2.45 22
2.80 40
3.00 15
2.23 29
3.14 10
2.90 0

The correlation between these two variables is approximately -.461
Indicate whether the statement is true or false

Question 2

In conducting a test of independence for a contingency table that has 4 rows and 3 columns, the number of degrees of freedom is 11.

Indicate whether the statement is true or false