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the mean deviation about the mean for the followin
Question:
The Mean deviation about the Mean for the following data 6,7,10,12,13,4,8,12.
CUET (PG) - 2023
CUET (PG)
Updated On:
Apr 27, 2024
2.75
4.00
3.25
2.50
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The Correct Option is
A
Solution and Explanation
The correct option is(A): 2.75
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Top Questions on Variance and Standard Deviation
Let
f
:
R
→
R
f : \mathbb{R} \to \mathbb{R}
f
:
R
→
R
be given by
f
(
x
)
=
tan
x
f(x) = \tan x
f
(
x
)
=
tan
x
. Then
f
−
1
(
1
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f^{-1}(1)
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−
1
(
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)
is:
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Let
a
a
a
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b
b
b
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c
c
c
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d
d
d
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m
m
m
and standard deviation
S
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S
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a
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k
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c
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,
d
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a
+
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,
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c
+
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7 coins are tossed simultaneously and the number of heads turned up is denoted by the random variable
X
X
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μ
\mu
μ
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σ
2
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2
is the variance of
X
X
X
, then
μ
2
P
(
X
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μ
2
is:
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If the mean deviation about the mean is
m
m
m
and the variance is
σ
2
\sigma^2
σ
2
for the following data, then
m
+
σ
2
=
m + \sigma^2 =
m
+
σ
2
=
% Data table
x
1
3
5
7
9
f
4
24
28
16
8
\begin{array}{|c|c|c|c|c|c|} \hline x & 1 & 3 & 5 & 7 & 9 \\ \hline f & 4 & 24 & 28 & 16 & 8 \\ \hline \end{array}
x
f
1
4
3
24
5
28
7
16
9
8
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5
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and variance is
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