Question: A researcher collects two samples of data: the first sample (n = 8) has a mean of 5; the second sample (n = 2) has

A researcher collects two samples of data: the first sample (n = 8) has a mean of 5; the second sample (n = 2) has a mean of 10. What is the weighted mean of these samples?

a. 5

b. 6

c. 7.5

d. 10

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