Assignment:
i. For the following set of data determine whether it is appropriate to perform Factor analysis (check all necessary statistical tests, and residuals.)
|
X1
|
X2
|
X3
|
X4
|
X5
|
|
3.9
2.7
2.8
3.1
3.5
3.9
2.7
|
51
49
36
45
46
43
35
|
0.2
0.07
0.3
0.08
0.1
0.07
0
|
7.06
7.14
7
7.2
7.81
6.25
5.11
|
12.19
12.33
11.30
13.01
12.63
10.42
9
|
ii. How many factors are required to represent the data?
iii. Rotate the factors using the varimax rotation and interpret these factors.