## Factor Analysis (Artificial Intelligence)

Question 1 :

Contents

Factor Analysis is What Technique?

Options :

a. Dependent

b. Interdependent

c. Significant

d. All the Above

`Answers : b. Interdependent`

Question 2 :

In Factor Analysis which factor explains the largest portion of the total variance?

Options :

a. First Factor

b. Second Factor

c. Fourth factor

d. All the Above

`Answers :a. First Factor `

Question 3 :

Which of the Factor Analysis accounts for the most of the residual variance?

Options :

a. First Factor

b. Second Factor

c. Fourth factor

d. All the Above

`Answers : b. Second Factor`

Question 4 :

Which test is used to examine the hypothesis that the variables are uncorrelated in the population?

Options :

a. Bartlett’s test

b. Correlation Matrix

c. Communality

d. Factor Matrix

`Answers : a. Bartlett's test`

Question 5 :

The diagonal elements, which are all 1, are usually omitted in which method?

Options :

a. Bartlett’s test

b. Correlation Matrix

c. Communality

d. Factor Matrix

`Answers : b. Correlation Matrix`

Question 6 :

Which represents the total variance explained by each factor?

Options :

b. Eigen Value

c. Communality

d. Factor Matrix

`Answers : b. Eigen Value`

Question 7 :

In Barlett test of sphericity Kaiser-Meyer-Olkin measure of sampling adequacy is?

Options :

a. 0

b. 0.6660

c. 15

d. 111.34

`Answers : b. 0.6660`

Question 8 :

The differences between the observed correlations, as given in the input correlation matrix, and the reproduced Reload correlations, as estimated from the factor matrix ?

Options :

a. Factor Scores

b. Residuals

c. KMO

d. Scree Plot

`Answers : b. Residuals`

Question 9 :

When the axes are not maintained at right angles, and the factors are correlated ?

Options :

c. All the above

d. Varimax

`Answers : b. Oblique Rotation`

Question 10 :

When the primary concern is to identify the underlying dimensions and the common variance is of interest ?

Options :

a. Principal Axis Factor

b. All the above

c. Principal components

d. Factor Score

`Answers : a. Principal Axis Factor`

Question 11 :

Which Process is based on a matrix of correlations between the variables

Options :

a. Analytical Process

b. Residual Process

C.KMO

d. None of these

`Answers : a. Analytical Process`