**Marketing Research And Analysis Assignment 5 Answers 2021**:-In this post we have provided the answers to the Marketing Research And Analysis Assignment 5 of 2021.

## NPTEL Marketing Research And Analysis Assignment 5 Answers 2021

Q1. ANOVA tests difference in means. Which of the following is true in regard to alternate hypothesis for the test?

Answer:- Atleast one of the mean is not equal to others

2. Consider the following information-

Gender= Male/ Female

City preferred= metro/ non-metro

Males preferring metro city observed as = 16

Males preferring non- metro city observed as = 9

Females preferring metro city observed as = 8

Females preferring non- metro city observed as = 12

Total observations= 45

Calculate Expected number of males who prefer non-metro city.

Answer:- 11.6

3. Calculate degree of freedom for the above mentioned question (Question no.2).

Answer:- 1

4. When we say, n-way ANOVA, “n” implies-

Answer:- Number of independent variables

5. Covariance and Correlation are quite similar except the fact that-

Answer:- Correlation is standardized whereas, Covariance is not

6. A best fit line in regression is the one which-

Answer:- Minimizes the residuals

7. The heart and spirit of factor analysis is-

Answer:- Correlation

8. While conducting ANOVA, which of the following is an undesirable situation?

Answer:- Heteroscedasticity

9. If the correlation coefficient value between two variables is 0.6, how much % of one variable is being explained by the other variable?

Answer:- 36%

10. Which of the following is true about Principal Component Analysis (PCA)?