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 cheice of major. At a = 01, is the degree of certainty independent of credits earned? Credits Earned Very Uncertain Somewhat Certain Very Certain Row Total @ to 2 14 9 4 27 18 to 59 1@ 3 1@ 23 68 or more 1 9 15 25 Column Total 25 21 29 75 Click here for the Excel Data File (a) At a = .01, the hypothesis for the given issue is Hy Credits Earned and Certainty of Major are independent. O Yes O No (b) Calculate the chi-square test statistic, degrees of freedom, and the p-value. (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 = .01. (Round your answer to 2 decimal places.) Critical value | | (d) We can reject the null and conclude dependence. O No O Yes