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 is always the assumption that there is no relationship or difference between two variables. In this case, the null hypothesis would be that "head of household classification" and "subscribes" are independent of each other. Therefore, the correct option is C.

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