find the mode for the below information? age (in yrs) 10- 20, 20-30,30-40,40-50,50-60,60-70 no.of patients 40,22,35,23,50,30 ?
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find the mode for the below information? age (in yrs) 10- 20, 20-30,30-40,40-50,50-60,60-70 no.of patients 40,22,35,23,50,30 ?
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Answer:
x f
10- 20 40
20 - 30 22
30 - 40 35
40 - 50 23
50 - 60 50
60 - 70 30
mode = L + h( f1 - f0 ) / 2f1 - f0 - f2 here L =50 , h= 10 , f1 = 50, f0 =23, f2 = 30
= 50 + 10 ( 50 - 23 ) / 2× 50 - 23 - 30
= 50 + 10 ( 27 ) / 100 - 53
= 50 + 270 / 47
= 50 + 5.74
= 55.74