bette 3. Number of children in six different classes are given below. Represent the data on a bar graph. Class Fifth Sixth Seventh Eighth Ninth Tenth 995, 1996 Number of Children 135 120 95 100 90 80 (a) How would you choose a scale? (b) Answer the following questions: (i) Which class has the maximum number of children? And the minimum? (i) Find the ratio of students of class sixth to the students of class eight. estions the two.
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Answer:
a) We have taken a scale of
1cm = 10 students
Because it suits the interval very well.
b) i) Maximum = 5th and Minimum = 10th
ii) No of students in grade 6th = 120
No of students in grade 8th = 100
Ratio = \frac{120}{100}\ =\ \frac{6}{5} = 6:5
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