Find the median marks in the data.

(i) Find the median of the data from the above graph. (ii) State the type for curve A and curve B.

Find the mean deviation about the median for the data : 36,72,46,42,60,45,53,46,51,49

Find the mean deviation about the median for the data in {:("x"_(i),15,21,27,30,35),("f"_(i),3,5,6,7,8):}

Find the mean deviation about the median for the data : 13,17,16,14,11,13,10,16,11,18,12,17

Find the mean deviation about the median for the data in {:("x"_(i),5,7,9,10,12,15),("f"_(i),8,6,2,2,2,6):}

Find the mean deviation about the median for the data :

Find the mean deviation about the median for the data :

The heights (in cm) of 9 students of a class are as follows: 155, 160, 145, 149, 150, 147, 152, 144, 148 Find the median of this data.

In finding the median, the given data must be written in order. Why ?

The information regarding the marks scored by 30 students in a 20 mark test of Mathematics is given below: Find the mean of the data.