To find median
what should be the value of cf 25 or 37??
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Class.। Frequecy। C.F
00-10 4 4
10-20. 4. 8
20-30. 7. 15
30-40. 10. 25
40-50. 12. 37
50-60. 8. 45
60-70. 5. 50
Formua of Meadian=l+(N/2+CF)/f × h
N=50
N/2=50/2=25
l=30
h=10
CF=15
f=10
Me.=30+(25+15)/10 × 10
Me.=30+40×1
me.=70
Meadian=70
Step-by-step explanation:
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