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If three samples have means of 10, 20, and 15, respectively, what is their grand mean?
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If three samples have means of 10, 20, and 15, respectively, what is their grand mean?

User RockOnGom
by
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2 Answers

3 votes
Their grand mean would be:
10+20+15
=45
45÷3
=15
User Esmie
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8.9k points
4 votes
I believe it would be 15. 10+20+15=45/3=15
User Jwillker
by
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