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Standard X
Mathematics
Geometric Mean
6 Mean of twe...
Question
6 Mean of twenty observations is 15 if two observation 17 and 20 replaced by 8and9 respectively,then the new mean will be
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Similar questions
Q.
Mean of twenty observations is 15. If two observations 3 and 14 replaced by 8 and 9 respectively, then the new mean will be
Q.
The mean of 10 observation is 15.3. If two observations 6 and 9 are replaced by 8 and 14 respectively. Find the new mean.
Q.
The mean of
20
observations is
15
. On checking, it was found that two observations were wrongly copied as
3
and
6
. If wrong observations are replaced by correct values
8
and
4
, then the correct mean is
Q.
The mean of
20
observations is
15
. One observation,
20
is deleted and two more observations are included to the data. If the mean of new set of observations is
15
, then find the sum of the two new observations included.
Q.
The mean of
15
observations is
18
. If each observation is multiplied by
3
, what will be the new mean?
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