-As shown above, the total variance can be explained by 8 factors. What is the least number of variables on which this principal components factor analysis can be based?
A) 2
B) 8
C) 16
D) 4
E) more information is needed

Question

-As shown above, the total variance can be explained by 8 factors. What is the least number of variables on which this principal components factor analysis can be based?
A) 2 
B) 8 
C) 16 
D) 4 
E) more information is needed

Quizplus · Accepted Answer

In principal components factor analysis, the total number of factors cannot exceed the number of variables. Therefore, if the total variance can be explained by 8 factors, it implies that there must be at least 8 variables.

-As Shown Above, the Total Variance Can Be Explained by 8