The following distribution gives the daily income of 50 workers of a factory:
Daily income(in Rs): 100-120 120-140 140-160 160-180 180-200
Number of workers: 12 14 8 6 10
Convert the above distribution to a less than type cumulative frequency distribution and draw its ogive.
Answers
Converted the above distribution to a less than type cumulative frequency distribution and ogive is drawn.
•Daily income(in Rs): 100-120 120- 140 140-160 160-180 180-200
•Number of workers: 12 14 8 6 10
•less than type:120 140 160 180 200
•less than cumulative frequency:
12 26 34 40 50
Drawn less than type ogive
Step-by-step explanation:
Daily income(in Rs): Worker cf
100-120 12 12 Less than 120
120-140 14 26 Less than 140
140-160 8 34 Less than 160
160-180 6 40 Less than 180
180-200 10 50 Less than 200
Less than ogive
The points with the upper limits of the class are plotted on x axis and the corresponding less than cumulative frequencies on y axis.
The points are joined by free hand smooth curve to give less than cumulative frequency curve or the less than Ogive
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