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Sixty-four students in the introductory college economics class were asked how many credits they had earned in the college, and how sure they were regarding their choice of major. Research problem: At α .01, is the degree of certainty independent of the credits earned?

Credits Earned Very uncertain Somewhat Certain Very Certain Row total
0-9 12 8 3 23
10-59 8 4 10 22
60 or more 1 7 11 19
Column total 21 19 24 64

Statistics and Probability, Statistics

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