One Sample with N = 4 Scores Has a Mean

question 31

Multiple Choice

One sample with n = 4 scores has a mean of M = 12,and a second sample with n = 6 scores has a mean of M = 8.If the two samples are combined,what is the weighted mean for the combined set of scores?​

• A)​4.8
• B)​9.6
• C)​10.0
• D)​19.2

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Definitions:

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