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In a psychology class, 31 students have a mean score of 92.3 on a test. Then 22 more students take the test and their mean

In a psychology class, 31 students have a mean score of 92.3 on a test. Then 22 more students take the test and their mean score is 62.4.

What is the mean score of all of these students together? Round to one decimal place.

mean of the scores of all the students =

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