Question is for Statistics in Social Science class
A researcher studying the relation of similarity to attraction reported the following results:
|
Person |
Similarity |
Attraction |
|
Tested |
X ZX |
Y ZY |
|
J.L. |
1 -1.17 |
3 -1.18 |
|
K.M. |
6 1.43 |
5 -.39 |
|
L.B. |
2 -.65 |
6 0 |
|
R.C. |
4 .39 |
10 1.57 |
M = 3.25 SD = 1.92 M = 6 SD = 2.55 r = .36
a. Give the Z score prediction formula for predicting attraction from similarity.
b. Predict the attraction to a person for whom the similarity is rated as a 5. Show your math.
c. Explain what you have done to a person who is familiar with correlation but not with regression.
