Author Question: When we use heterogeneous subsamples of data, such as older and younger subjects, the resulting ... (Read 42 times)

B · **on:** Jun 20, 2018

When we use heterogeneous subsamples of data, such as older and younger subjects, the resulting correlation between intelligence and education could

a. tell you more about the relationship between Age and Education than between Intelligence and Education.
b. be very misleading.
c. represent the relationship between Education and Intelligence accurately.
d. all of the above

Question 2

When we restrict the range of X or Y, we may

a. lower the correlation from what it would otherwise be.
b. raise the correlation from what it might be.
c. leave the correlation the same as it would otherwise be.
d. All of the above are possible.