A set of n = 5 pairs of X and Y values has SS_X = 16, SS_Y = 4 and SP = 2. For these data, the Pearson correlation is ____.

a. r = 2/8

b. r = 2/64

c. r = 8/8

d. r = 64/8

2. As the sample size gets larger, what happens to the size of the correlation that is needed for significance?

a. There is no consistent relationship between sample size and the critical value for a significant correlation.

b. It also gets larger.

c. It stays constant.

d. It gets smaller.

3. The numerical value for a correlation can ____.

a. be greater than 1.00 and can be less than -1.00

b. never be greater than 1.00

c. never be less than 1.00

d. never be greater than 1.00 and can never be less than -1.00