the mode of the below data is 97.5 find x
classes -81-85, 86-90, 91-95, 96-100 ,101-105,106-110,111-115
frequency- 2,7, 18,36 ,x, 5,3
Answers
Answered by
5
Answer:
Step-by-step explanation:
Modal class 86-90
L=85+86/2=85.5
f0=18,f1=36,f2=x,h=5 and mode=97.5
97.5=95.5+36-18/72-18-x*5
2=18/56-x*5
102-2x=90
-2x=-12
2x=12
x=6
Answered by
1
Answer:
answer =9
Step-by-step explanation:
L = 95.5 (inclusive class interval 96-100)
f1=36,fo=18,f2=x,h=5
mode = l+ (f1-fo/2f1-fo-f2) × h
97.5=> 95.5+[36-18/2(36)-18-x] × 5
97.5-95.5= [18/54-x] ×5
2=90/54-x
2(54-x)=90
108-2x=90
108-90=2x
18=2x
x=9
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