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