please provide Explanation. Thank you.

With= .01, the two-tailed critical region for attest using a sample ofn= 16 subjects would have boundaries of ______.

t= 2.583

t= 2.921

t= 2.602

t= 2.947

Which of the following Pearson correlations shows the greatest strength or consistency of relationship?

+0.74

-0.33

-0.90

+0.85

A set ofn= 10 pairs of scores has X= 20, Y= 30, and XY= 74. What is the value ofSPfor these data?

-14

74

14

24

For the regression equationY= 2X- 3, if the mean for X isMX= 5, what is the mean for Y?

5

4

2

7

A researcher conducts a hypothesis test using a sample ofn= 20 from an unknown population. What is thedfvalue for thetstatistic?

20

19

Cannot be determined from the information given

21

A sample ofn= 16 scores is obtained from a population with= 50 and= 16. If the sample mean isM= 54, then what is thez-score for the sample mean?

z= 0.50

z= 4.00

z= 1.00

z= 0.25