The following are the details or the number of students in a class of 30 students present during a week. Day, No. of Students present Monday Tuesday Wednesday Thursday Friday Saturday, 24 20 28 30 26 22 Represent the above data by a pictograph.

The following pictograph shows the number of absentees in a class of 30 students during the previous week

The following are the marks of 9 students in a class. Find the median: 34, 32, 48, 38, 24, 30, 27, 21, 35

The following data gives the number of students of Delhi state who went abroad for study during some years: Year 1995 1996 1997 1998 1999 2000 No. of Students 1400 1600 1250 1000 2000 2200 Represent the above data with the help of a bar graph.

The following data gives the number of students of Delhi state who went abroad for study during some years: year: 1995 1996 1997 1998 1999 2000 No. of Students 1400 1600 1250 1000 2000 2200 Represent the above data with the help of a bar graph.

The following data shows the number of students opting different subject in a college: Subjects, English, Maths, Physics, Chemistry, Eco., Commerce No. of Students, 45, 60, 20, 30, 10, 15 Construct a pie-diagram to represent the above data.

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

Following are the scores of 12 students in a class test of of 30 marks : 18,20,9,15,21,26,14,13,27,22,16,28 Find D_(7)andP_(33) .

Total number of students of a school in different years is shown in the following table: Year, No. of Students 1996 1998 2000 2002 2004, 400 550 450 600 650 Represent the above data by a pictograph. Prepare a pictograph of students using one symbol an icon of a student to represent 100 students and answer the following questions: How many symbols represent total number of students in the year 2002? How many symbols represent total number of students in the year 1998? Prepare another pictograph of students using any other symbol each representing 50 students. Which pictograph do you find more informative?

In a school, there are five sections of class IX. The number of students in each section is given below. Construct a bar graph representing this data: Section: A B C D E No. of Students 40 48 52 45 30

The number of hours Ashu studied on different days of a week are as follows. Monday: 4 hours Tuesday: 4(1)/(2) hours Wednesday : 5 hours Thursday : 3(1)/(2) hours Friday : 4 hours Saturday: 6 hours Find the average number of hours in a day Ashu studied in that week.