(Step-by-Step) One sample of n=20 scores has a mean of M=50. A second sample of n=5 scored has a mean of M=10. If the two samples are combined, what is
Question: One sample of n=20 scores has a mean of M=50. A second sample of n=5 scored has a mean of M=10. If the two samples are combined, what is the mean for the combined sample?
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