Mathematics, 11.03.2020 04:17, Homepage10

An experimenter hypothesizes that biology majors score higher than literature majors on an intelligence test. If the mean score for biology majors is 18.8 and the mean score for literature majors is 21.3, and the SDifference is .9, the t score is: a. -3.09 b. -2.25 c. -1.39 d. -2.78

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