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A survey of 400 men and 400 women asked whether they approve or disapprove of a current legislative proposal. The results are shown below. Calculate the test statistic value for testing whether opinion on the proposal is independent of gender.
Men / Women / Approve 212235 / Disapprove 165127 / Undecided 2338.
A. 9.49
B. 9.97
C. 9.82
D. 9.76
E. 9.60