Exercise 12-13 Algo Given the following contingency table, conduct a test for independence at the 1% significance level. (You may find it useful to reference the appropriate table: chi-square table or F table) bed Variable A Variable B 2 38 43 32 62 OK a. Choose the null and alternative hypotheses. nces O Me: The two variables are independent; HA: The two variables are dependent. O He: The two variables are dependent.; HA: The two variables are independent. b. Calculate the value of the test statistic. (Round intermediate calculations to at least 4 decimal places and final answer to 3 decimal places.) Test statistic