2.
Draw a 'less than ogive for the following frequency distribution:
Classes : 0 -10 10-20 20-30 30 - 40 40-50 50-60 60-70 70-80
Frequency: 7 14 13 12 20 11 15 8
Answers
Less than type O give attached
Step-by-step explanation:
Classes : f cf ( Less than)
0 -10 7 7 Less than 10
10-20 14 21 Less than 20
20-30 13 34 Less than 30
30 - 40 12 46 Less than 40
40-50 20 66 Less than 50
50-60 11 77 Less than 60
60-70 15 92 Less than 70
70-80 8 100 Less than 80
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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Answer:
step by step
CLS interval
Hope this helps