Arthemetuc Mean
of
8
and x is
20, find
x
Answers
Answered by
0
Answer:
32
Step-by-step explanation:
As arithmetic mean is (8+x) / 2 ,
(8+x) / 2 = 20
8+x = 20*2
8+x = 40
x = 40-8
x = 32
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Answered by
0
Mean= 20
Number of observation= 2
∑fx= 8+x
Now,
Athematic Mean= 8+x%2
20= 8+x%2
20x2=8+x
40=8+x
40-8=x
therefore, x= 32
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