The marks obtained by 7 students in Science test are given below :
24,22,30,28,32,26,34
Find the range, mean. Median and mode.

The marks obtained by 30 students in a examination of a class are given below . Find their average.

Use graph paper for this question. The marks obtained by 120 students in an English test are given below : Draw the ogive and hence, estimate : the median marks.

The marks (maximum marks 100) obtained by 20 students in a test are given below : Find the mean marks of the 20 students.

The marks obtained by 30 students in a class assessment of 5 subjects is given below : Calculate the mean, median and mode of the above distribution.

The marks of a class test are given below: 28,26,17,12,14,19,27,26,21,16,16 Find the median

The marks out of 100 obtained by 7 students in the mathematics are given below: 99, 100, 95, 100, 100, 80, 90. Find the mode of these marks.

The marks obtained by 19 students of a class are given below: 27,36,22,31,25,26,33,24,37,32,29,28,36,35,27,26,32,35 and 28. Find (i) Median (ii) Lower quartile (iii) Upper quartile (iv) Inter quartile range