If the mean of a set of observations...
is 20. Find the mean of x, +4,
+8,3 + 12 ..........10+ 40.
m 7 8 3 5.9 and 5. Find the largest
Answers
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Step-by-step explanation:
=
N
x
1
+x
2
+x
3
+.....+x
10
=
N
∑x
n
=20=
10
∑
n
So, ∑x
n
=200
Now, New
x
ˉ
=
N
x
1
+x
2
+8+....+x
10
+40
New
x
ˉ
=
10
∑x
n
+4(1+2+3+....+10)
=42
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