Find the mean of the following
X f
1 15
2 27
3 8
4 5
Answers
Answered by
1
Answer:
mean = (15 + 27 + 8 + 5)/4
= 55/4
= 13.75
Answered by
0
Answer:
X f f(X)
1 15 1×15=15
2 27 2×27=54
3 8 3×8=24
4 5 4×5=20
€(f)=55 €f(X)=113
Mean=€f(X)/€f.
=113/55.
=2.1.
I think this is your answer.
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