Mathematics, 22.05.2021 19:50 loveyeti106838

In a psychology class, 60 students have a mean score of 96.9 on a test. Then 19 more students take the test and their mean score is 71.3. What is the mean score of all of these students together? Round to one decimal place.
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In a psychology class, 60 students have a mean score of 96.9 on a test. Then 19 more students take t...

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