The marks obtained by 12 students in an examination (out of 50) are given below:
18, 35, 2, 27, 40, 0, 21, 33, 27, 8, 36, 23
Find the mean marks.

The marks obtained by 40 students of class IX in an examination are given below: 18, 8, 12, 6, 8, 16, 12, 5, 23, 2, 16, 23, 2, 10, 20, 12, 9, 7, 6, 5, 3, 5, 13, 21, 13, 15, 20, 24, 1, 7, 21, 16, 13, 18, 23, 7, 3, 18, 17, 16 Present the data in the form of a frequency distribution using the same class size, one such class being 15-20 (where 20 is not included)

The marks obtained (out of 100) by 12 students in an examination are 74, 96, 87, 65, 99, 82, 76, 92, 66, 75, 85, 90 Find the median marks.

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.

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.

The marks (out of 50) of 10 students in a class are : 40, 34, 37, 50, 47, 42, 31, 46, 36, 43 Find the median marks.

The marks obtained by 40 students of class VIII in an examination are given below: 16,17,18,3,7,23,18,13,10,21,7,1,13,21,13,15,19,24,16,3, 23,5,12,18,8,12,6,8,16,5,3,5,0,7,9,12,20,10,2,23 Divide the data into five groups, namely 0-5, 5-10, 10-15, 15-20 and 20-25 and prepare a grouped frequency table.

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

The marks obtained by 40 students of class VIII in an examination are given below: 18,8,12,0,8,16,12,5,23,2,16,23,2,10,20,12,9,7,6,5,3,5, 13,21,13,15,20,24,1,7,21,16,13,18,23,7,3,18,17,16 Present the data in the form of a frequency distribution using the same class size, one such class being 15-20 (where 20 is not included).

The marks of 12 students in a Math test are as follows: 8, 10, 4, 8, 5, 6, 9, 7, 6, 8, 9, 10 Find the: a maximum marks, b. minimum marks, c. range of marks, and d. mean marks.

Given below are the marks obtained by 24 students in an examination : {:(18 17 16 24 25 19 41 22),(32 42 44 21 43 26 28 40),(29 30 37 27 49 27 34 31):} Taking class intervals 10 - 20, 20 - 30, ............... , 50 - 60, make a frequency table for the above distribution.