A set of 8 observations has mean 4 and another set of
10 observations has mean 6. Find the mean of
combined set.
please tell me immediately
Answers
Answered by
1
Answer:
You should try maths yourself
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Answered by
1
Answer:
8.5 is the answer.
Step-by-step explanation:
Mean of 8 observations =4
Sum of 8 observations =4×8=32
Mean of 10 observations =5
Sum of 10 observations =5×10=50
∴ Sum of observations =32+50
=82
Mean of the combined set = 85/10 = 8.5
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