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D:\Surender Prajapati\CBSE_ICSE_Book_New\CBSE\Grade-7\Math_Genius-7\Open_File\14_Chapter\14_Chapter
\ 15-Nov-2024 Surender Prajapati Proof-5 Reader’s Sign _______________________ Date __________
Draw a double bar graph for the following data.
(a) In which year was the total output the maximum?
(b) Find the mean production for the year 2023.
(c) For which month was the difference between the production for the two years the maximum?
(d) In which month for the year 2024, the production was the maximum?
(e) In which month for the year 2023, the production was the least?
10. Consider the following data gathered from a survey of a school participated in different sports:
Sports Cricket Football Volley Ball Badminton Table Tennis Swimming Athletics
Boys 78 59 44 16 63 42 80
Girls 54 46 77 91 43 87 92
Draw a double bar graph from the above table and answer the following questions:
(a) Which game has most participants in boys and girls?
(b) Which game(s) has more number of girls than boys?
(c) Which game has least participants in boys and girls?
(d) How many more girls are there in swimming then boys?
11. Study the bar graph and answer the following questions: 60
55
(a) What has been compared in the given graph? 50 2020 2021
(b) Name the month in which the maximum temperature 45
40
was more in 2021 than in 2020? 35
30
(c) In which month the variation in two temperature Maximum Temperature (in °C) 25
maximum? 20
15
(d) In which month the temperature was same in both 10
5
the years? 0
April May June July
Months
12. Wrestling is a martial art and combat sport that involves grappling with an opponent and striving
to obtain a position of advantage through different throws or techniques,
within a given rule set. It is a test of physical strength and skill. It is one CASE STUDY
of the oldest sports. It is a healthy sport for our body.
The following data shows the number of matches won by six students
of ABC School in last five years. Only one wrestler among them will be
selected and sent to a national wrestling tournament.
Wrestlers A B C D E F
Matches won 5 6 8 4 2 10
Answer the following questions:
(a) Find the average number of matches won by each wrestler.
(b) Find the range of the number of matches won by wrestlers.
(c) Which wrestler should be selected for the national wrestling tournament?
(d) How many wrestlers won more than average number of matches?
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