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Mathematics, 12.06.2020 18:57 Savageman4654
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 α = .01, is the degree of certainty independent of credits earned? Credits Earned Very Uncertain Somewhat Certain Very Certain Row Total 0 – 9 14 7 2 23 10 – 59 9 3 8 20 60 or more 1 9 14 24 Col Total 24 19 24 67 Click here for the Excel Data File (a) At α = .01, the hypothesis for the given issue is H0: Credits Earned and Certainty of Major are independent. Yes 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 20.12 d. f. p-value (c) Find the critical value of the chi-square for α = .01. (Round your answer to 2 decimal places.) Critical value 13.28 (d) We can reject the null and conclude dependence. No Yes
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Sixty-four students in an introductory college economics class were asked how many credits they had...
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