Catherine Chao, Director of Marketing Research, Is Evaluating Consumer Acceptance $\alpha$

Multiple Choice

Catherine Chao, Director of Marketing Research, is evaluating consumer acceptance of alternative toothpaste packages.She wonders whether acceptance is influenced by the age of the children in the household.Her staff prepared the following contingency table from a random sample of 100 households. Using $\alpha$ = .05, the observed value of chi-square is ______________.

A) 5.28
B) 9.49
C) 13.19
D) 16.79
E) 18.79