Find x+y ,so that the ordered data set has mean of 44 and a median of 38 .18,23,27,30,36,x,43,68,71,y

Find the median of the following data 31,38 ,27,28,36,25,35,40

Find the mean of the data 7, 8, 10, 13, 17, 23, 30, 38, 47, and 57.

Find the mean deviation about the median for the following data : 34,23,46,37,40,28,32,50,35,44

We are given the following marks secured by 25 students in an examination . 23,28,30,32,35,36,36,40,41,43,44,44,45,48,49,52,53,54,56,56,58,61,62,65,68. (i)Arrange this data in the form of a frequency distribution taking the following class intervals. 20-29,30-39,40-49,50-59, and 60-69 (ii) Draw the frequency polygon and ogive for the above data.

Find the mean deviation from the median for the following data : 38,70,48,34,63,42,55,44,53,47

Find the mean deviation about the median for the data : x_i 15 21 27 30 35 f_i 3 5 6 7 8

If the mean of 4, x, and y is 6, then find the mean of x, y, and 10.