Sam Hill,Director of Media Research,is analyzing subscribers to the TravelWorld magazine. He wonders whether subscriptions are influenced by the head of household's highest degree earned. His staff prepared the following contingency table from a random sample of 300 households. Sam's null hypothesis is ______________.
A) "head of household classification" is related to "subscribes"
B) "head of household classification" is not independent of "subscribes"
C) "head of household classification" is independent of "subscribes"
D) "head of household classification" influences "subscribes"
E) "clerical is not related to managerial"

Question

Sam Hill,Director of Media Research,is analyzing subscribers to the TravelWorld magazine. He wonders whether subscriptions are influenced by the head of household's highest degree earned. His staff prepared the following contingency table from a random sample of 300 households.  Sam's null hypothesis is ______________.
A) "head of household classification" is related to "subscribes" 
B) "head of household classification" is not independent of "subscribes" 
C) "head of household classification" is independent of "subscribes" 
D) "head of household classification" influences "subscribes" 
E) "clerical is not related to managerial"

Quizplus · Accepted Answer

The null hypothesis for this analysis is that "head of household classification" is independent of "subscribes", meaning there is no relationship between the two variables. The contingency table is used to test the independence between the two variables, and if the null hypothesis cannot be rejected, then it is concluded that there is no significant relationship. Therefore, the correct answer is C.

Sam Hill,Director of Media Research,is Analyzing Subscribers to the TravelWorld