Question

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Answer 1

Explanation:

Given :-

Number of children in six different classes are given in the attachment

To find :-

Represent the data in to bar graph answer the following questions ?

Solution :-

See the above attachment

Number of children in class V = 135

Number of children in class VI = 120

Number of children in class VII = 95

Number of children in class VIII = 100

Number of children in class IX = 90

Number of children in class X = 80

Total number of children = 620

1) Scale :-

Taking scale depends upon the given values in the given data .

For convenience we take 1 cm = 10 units for related given data

On X-axis taking classes and taking on Y-axis number of children

On taking Y-axis 1 cm = 10 units

2)Class V has maximum number of children (135)

and Class X has minimum number of children (80)

3)

Number of children in class VI = 120

Number of children in class VIII = 100

Ratio = 120:100

=> 120/100

=> 12/10

=> 6/5

=> 6:5

The ratio of the children on class VI to VIII = 6:5

• In bar graph the width of the all bars are equal.

• In bar graph the lengths of the bars Proportional to the frequency of the corresponding class.

Answer 2

Explanation:

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