Anita Cruz Recently Assumed Responsibility for a Large Investment Portfolio $\alpha$

Multiple Choice

Anita Cruz recently assumed responsibility for a large investment portfolio. She wonders whether industry sector influences investment objective.Her staff prepared the following contingency table from a random sample of 200 common stocks.
Using $\alpha$ = .01,critical chi-square value is ______________.

A) 9.21
B) 7.88
C) 15.09
D) 16.81
E) 18.81