The table in the next column contains observed values and expected values in parentheses
Chapter 12, Problem 4(choose chapter or problem)
The table in the next column contains observed values and expected values in parentheses for two categorical variables, X and Y, where variable X has three categories and variable Y has two categories. X1 X2 X3 Y1 87 (75.12) 74 (80.43) 34 (39.46) Y2 12 (23.88) 32 (25.57) 18 (12.54) (a) Compute the value of the chi-square test statistic. (b) Test the hypothesis that X and Y are independent at the a = 0.05 level of significance.
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