X1. X2. X3
Y1. 30. 40 52
(33.46) (41.83)(46.71)
Y2. 18. 20. 15
(14.54)(18.18)(20.29)
The table to the right 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.
Use the table to complete parts
(a)Compute the value of the chi-square test statistic. X2/0= (round
three decimal places)
(b)Test the hypothesis that X and Y are independent at the a=0.1
level of significance.
(c)What is the p-vaue? (three decimal places)
(d)What should be rejected?
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