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Byju's Answer
Standard VI
Mathematics
Class interval
If each obser...
Question
If each observation is increased by 5, then its mean _____
A
45
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B
18
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C
68
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D
80
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Solution
The correct option is
B
18
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Similar questions
Q.
If each observation of the data is increased by
5
,
then their mean :
Q.
If each observation of a data is increased by 5, then their mean
(a) remains the same
(b) becomes 5 times the original mean
(c) is decreased by 5
(d) is increased by 5
Q.
The mean of 30 observations is 18. If each observation is increased by 2 , then find the mean of new observations.
Q.
Assertion :If the mean of a set of observations
x
1
,
x
2
,
.
.
.
.
.
,
x
n
is
¯
x
, then mean of the observations
x
i
+
2
;
i
=
1
,
2
,
.
.
.
,
n
is
¯
x
+
2
. Reason: If each observation is increased by
2
,
then mean is increased by
2
.
Q.
Mean of a certain number of observation is m If each observation is divided by x (
x
≠
0
) and increased by y then the mean of new observation is
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