TestAÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Score
Respondent        X              Y         x-x       (x-x)2        y-y      (y-y) 2  ( x-x) (y-y)
Jones | 77 | 51 | 24.8 | 615.04 | 7.8 | 60.84 | 193.44 |
Dunn | 66 | 59 | 13.8 | 190.44 | 15.8 | 249.64 | 218.04 |
Dean | 41 | 44 | -11.2 | 125.44 | 0.8 | 0.64 | -8.96 |
Hampton | 47 | 34 | -5.2 | 27.04 | -9.2 | 84.64 | 47.84 |
Nichols | 32 | 28 | -22.2 | 492.84 | -15.2 | 231.04 | 337.44 |
  TestB               Score
Respondent        X              Y         x-x       (x-x)2        y-y      (y-y) 2  ( x-x) (y-y)
Jones | 50 | 51 | -3.4 | 11.56 | 7.4 | 54.76 | -25.16 |
Dunn | 38 | 69 | -15.4 | 237.16 | 25.40 | 645.16 | -391.16 |
Dean | 58 | 34 | 4.6 | 21.16 | -9.6 | 92.16 | -44.16 |
Hampton | 49 | 36 | -4.4 | 19.36 | -7.6 | 57.76 | 33.44 |
Nichols | 72 | 28 | 18.6 | 345.96 | -15.6 | 243.36 | -290.16 |
a. Calculate Pearson’s Product MovementCorrelation Coefficient (r) for Test A. Show yourwork. (6 points)
b. Based on the correlation coefficient whichyou calculated, in two words how would youdescribe the relationship between the two variables in Test A? (4points)
c. Calculate Pearson’s Product MovementCorrelation Coefficient (r) for Test B. Show yourwork. (6 points)
d. Based on the correlation coefficient whichyou calculated, in two words how would you describe therelationship between the two variables in Test B? (4 points)
e. Which test would you select? (2 points)Why? (4 points)
