Exhibit 10-30 A quantitative analysis teacher wants to see if there is any difference in the abilities of students enrolled in statistics in the summer and in the fall. Examination scores from a random sample of students enrolled this fall and from a random sample of students enrolled in the summer were selected. You are given the following information. x O n .0028 .0036 .0194 Fall .9972 74 17.06 35 Refer to Exhibit 10-30. The p-value for the difference between the two population means is Summer 84.77 19.01 28

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