# Marketing Research And Analysis Assignment 5 Answers

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)?

`Answer:- PCA analyses all of the variance`