MEDIAN of an ungrouped data

The medium of an ungrouped data and the median calculated when there same data is grouped are always the same. Do you think that this is a correct statement? Give reason.

The medium of an ungrouped data and the median calculated when there same data is grouped are always the same. Do you think that this is a correct statement? Give reason.

The coefficient of variation and standard deviation of an ungrouped data are 60 and 21 respectively. If 15 is added to every observation of the data, then the coefficient of variation of the new data is

Mean of Ungrouped data

Find the variance for an ungrouped data 5, 12, 3, 18, 6, 8, 2, 10.

barx=A+(sumf_i d_i)/(sumf_i) is the formula to find mean for an ungrouped data. In this formula letter A represents for

The mean of the ungrouped data is given by