The following table shows the favourite games of 240 students of a school. Draw a pie-chart for following data Games Football Badminton Cricket Volleyball Hockey Number of students 35 30 80 40 55

Given, Games Football Badminton Cricket Volleyball Hockey Number of students 35 30 80 40 55 Central angle = component part total × 360 ° Total = 35 + 30 + 80 + 40 + 55 = 240 Central angle for football = 35 240 × 360 ° = 52 . 5 ° Central angle for badminton = 30 240 × 360 ° = 45 ° Central angle for cricket = 80 240 × 360 ° = 120 ° Central angle for volleyball = 40 240 × 360 ° = 60 ° Central angle for hockey = 55 240 × 360 ° = 82 . 5 °

The following table gives the average temperatures, during the year 2006 and 2007 . Draw a double-bar graph for the given data Month Jan Feb March Apr May June July Aug Sept Oct Nov Dec Temperature (in ° C ) 2006 20 32 36 38 42 35 32 30 28 25 20 15 Temperature (in ° C ) 2007 20 30 40 40 40 35 30 30 25 20 18 15

Given data, Month Jan Feb March Apr May June July Aug Sept Oct Nov Dec Temperature (in ° C ) 2006 20 32 36 38 42 35 32 30 28 25 20 15 Temperature (in ° C ) 2007 20 30 40 40 40 35 30 30 25 20 18 15 The following double graph represents the given data On x-axis, the months of the year from Jan to Dec are represented. Each double bar represents the temperature (in ° C ) in 2006 and 2007 On y-axis, the value of temperature is represented with scale of 1 cm = 5 ° C

E M B I B E

Pearson IIT Foundation Mathematics>Chapter 9 - Statistics>PRACTICE QUESTIONS (CLASSROOM WING)>Q 50

MEDIUM

7th CBSE

IMPORTANT

Earn 100

The percentage of marks obtained by a student in various exams is given below. Represent the data by a line graph

Name of the exam UT-1 UT-2 Quarterly UT-3 Half-yearly UT-4 Annual

Percentage of marks $50$ $85$ $60$ $80$ $68$ $75$ $70$

Important Questions on Statistics

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 9 - Statistics>PRACTICE QUESTIONS (CLASSROOM WING)>Q 51

The following table shows the favourite games of $240$ students of a school. Draw a pie-chart for following data

Games	Football	Badminton	Cricket	Volleyball	Hockey
Number of students	$35$	$30$	$80$	$40$	$55$

MEDIUM

7th CBSE

IMPORTANT

Pearson IIT Foundation Mathematics>Chapter 9 - Statistics>PRACTICE QUESTIONS (CLASSROOM WING)>Q 52

The following table gives the average temperatures, during the year $2006$ and $2007$ . Draw a double-bar graph for the given data

Month	Jan	Feb	March	Apr	May	June	July	Aug	Sept	Oct	Nov	Dec
Temperature (in $° C$ ) $2006$	$20$	$32$	$36$	$38$	$42$	$35$	$32$	$30$	$28$	$25$	$20$	$15$
Temperature (in $° C$ ) $2007$	$20$	$30$	$40$	$40$	$40$	$35$	$30$	$30$	$25$	$20$	$18$	$15$