Azaleaz
10.07.2019 •
Mathematics
If the mean for a sample of 8 people was 10 and the mean for a second sample of 4 people was 20, what would the weighted mean be equal to?
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Ответ:
Weighted mean = (8*10+4*20)/(8+4) = 160/12= 40/3 ≈ 13.3
Ответ:
I hope this helps.