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Construction of a Histogram of a Continuous Grouped Frequency Distribution with Equal Intervals of Class

1. Take a graph and draw two perpendicular lines such that one of them is horizontal and the other is a vertical line. O is the point of intersection. Mention them as OX and OY respectively.

2. Take OX as x-axis and OY as y-axis. 

3. Take a suitable scale to represent class intervals on x-axis and mark the class limits on it.

4. Take a suitable scale to represent frequencies. Take points on the y-axis for frequencies.

5. Construct rectangles with the base as class intervals and height proportional to their frequencies.

 

Expenditure (in Rs)

No. of manual works

100 - 150

12

150 - 200

18

200 - 250

17

250 - 300

14

300 - 350

15

350 - 400

12

400 - 450

10

450 - 500

2

Total

100

 





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