The mean of the following observation is 20.2`. Find the value of p.

The mean of the following observations is 20.2. Find the value of p.

If the mean of the following observations is 39, find the value of x. 29, 48, x, 51, x — 3.

If the mean of the following data is 20.2, then find the value of p.

If the mean of the following data is 20.2, then find the value of p

Find the mode of the following observations:

There are 10 observations arranged in ascending order as given below: 45, 47, 50, 52, x,x+2,60, 62, 63, 74. The median of these observations is 53.Find the value of x.Also find the mean and the mode of the data?

The mean of 35 observations is 20. If the mean of the first 18 observations is 16 and that of last 18 observations is 24, find the 18th observation.