A sample of n = 10 scores has a mean of 50.A second sample has n = 5 scores and M = 60.If the two samples are combined,the combined sample mean will be greater than 55.

Name: A sample of n = 10 scores has a mean of 50.A second sample has n = 5 scores and M = 60.If the two samples are combined,the combined sample mean will be greater than 55.
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Quizplus · Accepted Answer

The combined mean is calculated as [(10*50) + (5*60)] / (10+5) = 53.33, which is not greater than 55.

A Sample of N = 10 Scores Has a Mean