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Question 4 - Week 3 Practice | Prasnya
Q4
00:00
3 Dec 2023
Q4.
Which among the following statements is/are true for a variable
X
X
X
?
A
Mean and median will be same if the
S
D
(
X
)
=
0
SD(X)=0
S
D
(
X
)
=
0
.
B
V
a
r
(
X
)
Var(X)
V
a
r
(
X
)
will always increase by multiplying each observation of
X
X
X
by a constant.
C
R
a
n
g
e
(
X
)
Range(X)
R
an
g
e
(
X
)
will always remain the same with the increase in the number of observations of
X
X
X
.
D
R
a
n
g
e
(
X
)
Range(X)
R
an
g
e
(
X
)
will always increase with the increase in the number of observations of
X
X
X
.
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Check
Details
Q4
00:00
3 Dec 2023
Q4.
Which among the following statements is/are true for a variable
X
X
X
?
A
Mean and median will be same if the
S
D
(
X
)
=
0
SD(X)=0
S
D
(
X
)
=
0
.
B
V
a
r
(
X
)
Var(X)
V
a
r
(
X
)
will always increase by multiplying each observation of
X
X
X
by a constant.
C
R
a
n
g
e
(
X
)
Range(X)
R
an
g
e
(
X
)
will always remain the same with the increase in the number of observations of
X
X
X
.
D
R
a
n
g
e
(
X
)
Range(X)
R
an
g
e
(
X
)
will always increase with the increase in the number of observations of
X
X
X
.
Save
Check
Details
