March 12 Lab Section Exercise Answers
|
Incongruence Score
(X) |
Negative Mental
Health Symptoms (Y) |
|
2 |
3 |
|
5 |
4 |
|
7 |
3 |
|
8 |
7 |
|
9 |
6 |
|
MX = 6.2 |
MY = 4.6 |
|
SX = 2.48 |
SY = 1.62 |
Correlation of X and Y:
r=.714
Least-squares parameter
estimates:
a = 1.70
b= 0.4675
Negative mental health score
for person with incongruence score of 10:
1.70 + .4675(10) = 6.375
R2:
R2 = 1 - (error
var./ vary) = 1 – (1.293/2.64) = .51