Asked by Sher

One sample of n=20 scores has a mean of M=50. A second sample of n=5 scores has a mean of Mean=10. If the two samples are combined, what is the mean
Answered by PsyDAG
Mean =∑x/n

50 = ∑x/20

∑x = 100

10 = ∑x/5

∑x = 50

Mean = 150/25 = ?
Answered by Anonymous
cf23
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