If each observation is increased or decreased by a; then the mean is also increased or decreased by a.

If each observation is increased or decreased by a; then the mean is also increased by a.

If each observation of the data is decreased by 8 then their mean

If each observation of the data is increased by 5, then their mean

If each observation of the data is increased by 5, then their mean

If each observation of the data is increased by 5, then their mean

If each observation of a data is increased by 'a' then mean is increases by .......

In a set of 2n distinct observations, each of the observations below the median of all the observations is increased by 5 and each of the remaining observation is decreased by 3 . Then the mean of the new set of observations

In a set of 2n distinct observations, each of the observations below the median of all the observations is increased by 5 and each of the remaining observation is decreased by 3 . Then the mean of the new set of observations

In a set of 2n distinct observation,each of the observation below the median of all the observations is increased by 5 and each of the remaining observations is decreased by 3 . Then the mean of the new set of observations: