The upper limit of the Pearson chi-square test of independence is limited by
a. sample size.
b. the distribution of cases across the cells.
c. degrees of freedom.
d. Both a and b are correct.
e. a, b, and c are correct.
Question 2Loyalty programs are limited in their uses to enterprises like airlines that sell high-value products.
a. True
b. False
Indicate whether the statement is true or false
Question 3Which of the following is FALSE about cross tabulations?
a. Cross tabulations work equally well with continuous measures that have been recast as categorical measures.
b. Cross tabulations are used for studying the relationships between two (or more) categorical variables.
c. Recasting continuous measures into categories may result in lowered statistical power.
d. Cross tabulation seeks to investigate the influence of the independent variable on the dependent variable.
e. Recasting continuous measures into categories almost never results in the loss of information.
Question 4The response of an anonymous visitor to a website cannot be tracked.
a. True
b. False
Indicate whether the statement is true or false
Question 5When comparing the independent samples t-test for means and the paired sample t-test for means, one is for
a. univariate analysis while the other is for multivariate analysis.
b. small sample sizes while the other is for large sample sizes.
c. continuous variables while the other is for categorical variables.
d. measures from separate groups while the other is for measures from the same group.
e. All of these are correct.
Question 6Creating an anonymous customer profile generally requires the use of a cookie.
a. True
b. False
Indicate whether the statement is true or false
Question 7Assuming the two predictors X1 and X2 are not correlated, the coefficients of partial regression can be interpreted as the
a. unit change in the criterion variable associated with an average change in the appropriate predictor variable while holding the other predictor variable constant.
b. change in the criterion variable associated with an average change in the predictor variables.
c. average change in the criterion variable associated with an average change in the appropriate predictor variable while holding the other predictor variable constant.
d. average change in the criterion variable associated with a unit change in the appropriate predictor variable while holding the other predictor variable constant.
e. average change in the criterion variable associated with a unit change in the appropriate predictor variable.
Question 8Personalization can only be done after a person has registered on a website.
a. True
b. False
Indicate whether the statement is true or false
Question 9Which of the assumptions listed below are necessary in order for the coefficients in a partial regression equation to be interpreted as the average change in the criterion variable associated with a unit change in the appropriate predictor variable holding other predictor variables constant?
a. The predictor variables must be correlated.
b. The variance among predictor variables must be equal.
c. The criterion variable must be normally distributed.
d. The predictor variables must be uncorrelated.
e. None of these are necessary assumptions.
Question 10CRM is only a B2B concept because it includes sales force automation as a key component.
a. True
b. False
Indicate whether the statement is true or false