SOLUTION: the psychology class, 58 students have a mean score of 80.4 on the test. then 22 more students take the test and their mean score is 62. 5. what is the mean score of all students t
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Question 1178270: the psychology class, 58 students have a mean score of 80.4 on the test. then 22 more students take the test and their mean score is 62. 5. what is the mean score of all students together
Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!
58 times 80.4, plus 22 times 62.5, all divided by 58+22=80
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