One sample of n=10 scores has a mean of 8 and a second sample of n= 5 scores has a mean of 2. if the two samples are combined, what is the mean for the combined sample?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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One sample of n=10 scores has a mean of 8 and a second sample of n= 5 scores has a mean of 2. if the two samples are combined, what is the mean for the combined sample? 

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