Prepare less than cumulative frequency and more than cumulative frequency distributions.
Class
Interval
0-10 10-20 20-30 30-40 40-50 50-60 60-70
Frequency 10 14 21 27 18 7 3
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Step-by-step explanation:
Less than cumulative frequency distribution:
It is obtained by adding successively the frequencies of all the previous classes including the class against which it is written. The cumulate is started from the lowest to the highest size.
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