write down less than cumulative frequency table for the following data ages:10 to 20,20to30,30to40,40to50,50to60.no.of patients:5,9,11,3,2.
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Step-by-step explanation:
Class intervals frequency more than type
cumulative frequency
0-10 2 50
10-20 12 50-2=48
20-30 22 50-2-12=36
30-40 8 50-2-12-22=14
40-50 6 50-2-12-22-8=6
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