Given below are the marks obtained by 30 students in an examination :
`{:(08,17,33,41,47,23,20,34,09,18,42,14,30),(19,29,11,36,48,40,24,22,02,16,21,15,32),(47,44,33,01,,,,,,,,,):}`
Taking class intervals 1-10, 11-20 ,......, 41 - 50 , Make a frequency table for the above distribution.

Following are the marks obtained by 30 students in an examination : {:(15,20,8,9,10),(16,17,20,24,30),(44,47,38,36,40),(27,25,28,30,19),(7,11,21,31,41),(37,47,23,20,17):} Taking class intervals 0-10 , 10-20,............ ., 40-50, construct a frequency table.

Given below are the marks obtained by 32 students in an examination : {:(29 23 30 40 11 01 15 35),(40 03 12 18 30 24 25 29),(31 32 25 22 27 12 13 02),(07 09 19 13 32 39 25 03):} Taking class intervals 1 - 10, 11 - 20............... 31 - 40, make a frequency table for the above distribution.

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.

Given below are the marks obtained by 40 students in an examination : 40 56 24 41 51 22 59 12 26 46 51 14 23 59 58 29 41 35 36 40 42 43 36 33 38 52 23 24 13 55 18 54 20 57 30 24 43 50 26 15 Taking class intervals 10-20, 20-30,. ...., 50-60 , construct a frequency table for the above distribution.

Calculate sixty first percentile from the following data of the marks obtained by 10 students is an examination : 22,26,14,30,18,11,35,41,12,32

Following are the marks obtained by 30 students in a examination Taking class intervals 0-10, 10-20,….. 40-50 construct a frequency table.

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 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 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)

Calculate the median and sixty first percentile from the following data of marks obtained by 10 students in an examination. 22, 26, 30, 14, 35, 11, 18, 12, 32, 41.