The ages of 37 students in a class are given in the following table: Find the median

The age of 40 student of a class is given in the following table. Find their mean short cut method:

The weights of 25 students of a class are given in the following table: Using short-cut method, find the mean weight.

The makes obtained by 30 students are given in the following table. Find their mean by step deviation method :

The marks (out of 10) obtained by 35 students of a class are given in the following table : {:("Marks obtained",7,1,10,2,8,6,4,5,9,3,),("Number of students",7,0,2,0,1,9,6,4,5,1,):} Find the mean and the median. Using empirical formula, calculate its mode.

The ages of 40 students are given in the following table: Age(in yrs) 12 13 14 15 16 17 18 Frequency 2 4 6 9 8 7 4 Find the arithmetic mean.

The weights of 60 boys are given in the following distribution table:Find (i) Median (ii) Lower quartile (iii) Upper quartile (iv) Inter quartile range

The test grades of the 26 students in a math class are shown in the chart above. What is the median test grade for the clsss?

Find the median from the following table :

Find the median from the following table :

Size of agricultural holding in a survey of 200 families is given in the following table. Compute median and mode size of the holdings.