Question

One sample has a mean of M = 5 and a second sample has a mean of M = 10. The two samples are combined into a single set of scores.
a. What is the mean for the combined set if both of the original samples have n = 5 scores?
b. What is the mean for the combined set if the first sample has n = 4 scores and the second sample has n = 6?
c. What is the mean for the combined set if the first sample has n = 6 scores and the second sample has n = 4?


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  • CreatedSeptember 22, 2015
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