The number of hours, spent by a school boy on different activities in a working day, is given below: Activities : Sleep, School, Home, Play, others, Total No. Of hours : `8, 7, 4, 2, 3, 24` Present the information in the form of a pie-chart.

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 number of students absent in a school was recorded every day for 147 days and the raw data was presented in the form of the following frequency table. No. of Student absent: 5 6 7 8 9 10 11 12 13 15 18 20 No. of days 1 5 11 14 16 13 10 70 4 1 1 1 Obtain the median and describe what information it conveys.

A shoe store sells pairs of shoes of different sizes. The number of pairs of various sizes sold on a particular day are given below : {:("Size of shoes",1,2,3,4,5,6,7,8,9,10,11),("Number of pairs sold",3,5,1,2,8,2,4,3,5,5,2):} What is the modal shoe-size?