if for a distribution sigma xi^2=2400 and sigma xi=250 and the total number of observation is 50, then standard deviation is
Answers
Answered by
0
Answer:
Given that
N=10
∑x
i
=60
∑x
i
2
=1000
we know
Standard Deviation (σ)=
N
∑x
i
2
−(
N
∑x
i
)
2
Substitute above values
=
10
1000
−(
10
60
)
2
=
100−
10
2
(60)
2
=
100−
100
3600
=
100−36
=
64
Standard Deviation = 8.
Answered by
1
Answer:
Given that
N=10
∑x
i
=60
∑x
i
2
=1000
we know
Standard Deviation (σ)=
N
∑x
i
2
−(
N
∑x
i
)
2
Substitute above values
=
10
1000
−(
10
60
)
2
=
100−
10
2
(60)
2= 100− 1003600
= 100−36
= 64
Standard Deviation =8
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