The mean score of 15 male students taking a test is 76 and the mean score of 12 female students taking the same test is 73. The combined mean score of the male and female students is Select one: a. 75 b. 74.67 c. 77.43 d. 74.5
Added by Beth S.
Step 1
For the male students, the total score would be the mean score times the number of students, which is 76 * 15 = 1140. For the female students, the total score would be the mean score times the number of students, which is 73 * 12 = 876. Show more…
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