Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about their choice of major. At a = .02, is the degree of certainty independent of credits earned? Credits Earned Very Uncertain Somewhat Certain Very Certain Row Total 0 to 9 14 10 4 28 10 to 59 8 2 8 18 60 or more 5 9 11 25 Column Total 27 21 23 71 Click here for the Excel Data File (a) At a = .02, the hypothesis for the given issue is Ho: Credits Earned and Certainty of Major are independent. 0 Yes 0 No (b) Calculate the chi-square test statistic, degrees of freedom, and the pvalue. (Round your test statistic value to 2 decimal places and the p-value to 4 decimal places.) Test statistic Degrees of freedom p-value (c) Find the critical value of the chi-square for a = .02. (Round your answer to 2 decimal places.) Critical value _ (d) We can reject the null and conclude dependence. 0 No 0 Yes