Question

1. Which of the following measures is not used as a measure of association for nominal, nonparametric variables?

a. chi-square

b. phi

c. Cramer's V

d. Contingency coefficient C

e. Z score

2. The question of "How strongly are sales related to price when the effect of brand loyalty is controlled?" is best answered using _____.

a. regression analysis

b. partial correlation

c. ANOVA

d. product-moment correlation

e. gamma

3. Which ordinal measure is a refinement of gamma for ordinal data that considers "tied" pairs?

a. ^t_b

b. Y

c. Ø

d. λ

e. β

4. For a given sample size, how many pairs of observations will be present?

a. n(n-1)/2

b. n/2

c. (n-2)(2+n)

d. (P-Q)(P+Q)

e. None are correct

15. What type of measure is Spearman's rho?

a. chi-square statistic

b. correlation coefficient

c. measure of variance

d. measure of error

e. measure of skewness

Answer 1

Ans1:- (e) Z score

Ans2:- (b) partial correlation

Ans3:- (a)

Ans4:- (a) n(n-1)/2

Ans5:- (b) correlation