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Data Handling

Question

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Use the bar graph (see the given figure) to answer the following questions.
(a) Which is the most popular pet?
(b) How many children have dog as a pet?

Solution

(a) Since the bar representing cats is the tallest, cat is the most popular pet.

(b) The number of children having dog as a pet are 8.

Some More Questions From Data Handling Chapter

The scores in mathematics test (out of 25) of 15 students is as follows:
19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20
Find the mode and median of this data. Are they same?

The weights (in kg.) of 15 students of a class are:
38, 42, 35, 37, 45, 50, 32, 43, 43, 40, 36, 38, 43, 38, 47
(i) Find the mode and median of this data.
(ii) Is there more than one mode?

Find the mode and median of the data: 13, 16, 12, 14, 19, 12, 14, 13, 14

Use the bar graph (see the given figure) to answer the following questions.
(a) Which is the most popular pet?
(b) How many children have dog as a pet?

The performance of students in 1^st Term and 2^nd Term is given. Draw a double bar graph choosing appropriate scale and answer the following:

Subject

English

Hindi

Moths

Science

S. science

1^st Term (M.M. 100)

67

72

88

81

73

2^nd Term (M.M. 100)

70

65

95

85

75

(i) In which subject, has the child improved his performance the most?
(ii) In which subject is the improvement the least?
(iii) Has the performance gone down in any subject?

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