Question 4 - Week 3 Practice | Prasnya
Prasnya
Continue with Google
Practice path
Dashboard
Exam
Quiz 2
Go to subject
Statistics 1
Go to chapter
Week 3
Question 4
00:00
Est. 2 min
Marks:
+3.00
0.00
Which among the following statements is/are true for a variable
X
X
?
Multiple correct
Medium Difficulty
03 December 2023
A
Mean and median will be same if the
S
D
(
X
)
=
0
SD(X)=0
.
B
V
a
r
(
X
)
Var(X)
will always increase by multiplying each observation of
X
X
by a constant.
C
R
a
n
g
e
(
X
)
Range(X)
will always remain the same with the increase in the number of observations of
X
X
.
D
R
a
n
g
e
(
X
)
Range(X)
will always increase with the increase in the number of observations of
X
X
.
