The median of the following data is 50. Find the values of p and q, if the sum of the all the frequencies is 90.

The median of the following data is 50. find the values of p and q if the sum of all the frequencies is 90 {:("Marks ","Frequency "),(20-30," "p),(30-40," "15),(40-50," "25),(50-60," "20),(60-70," "q),(70-80," "8),(80-90," "10):}

If the mean of the following data is 14.7, find the values of p and q.

If the mean of the following data is 14.7, find the values of p and q.

Find the median of the following data

Find the median of the following data.

Find the median of the following data.

Find the median of the following data

Find the median of the following data.

Find the median of the following data.

Find the median of the following data