50,72,54,82,93
find mean ​

Weight of 15 persons is as follows: {:("Weight(kg)",20,28,34,39,42,50,53,54,59,64,72,74,74,78,79):} Find out mean weight, using Direct Method as well as Short-cut Method.

The following obsevations are arranged in ascending order : 26,29,42,53,x,x+2, 70,75,82,93 if the median is 65, find the value of x.

The percentage of marks obtained by students of a class in mathematics are: 64,36,47,23,0,19,81,93,72,35,3,1. Find their mean.

55,34,48,38,70,44,54,46,63,42. Find the mean deviation about the median.

If the mean of numbers 27, 31, 89, 107, 156, is 82, then the mean of 130, 126, 68, 50, 1 is

The runs scored in a cricket match by 11 players are as follows : 9, 15, 121, 51, 101, 81, 50, 16, 82, 11, 11 Find the mean, mode and median respectively of this data

Mean of 100 observations is found to be 40. If at the time of computation two items are wrongly taken as 30 and 27 instead of 3 and 72, find the correct mean.