plzzz give the answer of 8th question faattt plzzzzzzzzz
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tarique4:
plzzz fasttt it sooo important
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Let the missing frequencies for 1 and 2 be x and y
using mean formula...
1.46=(0+x+2y+75+40+25)/200
x+2y=152
x+y=114
so..x=76 and y=38.
using mean formula...
1.46=(0+x+2y+75+40+25)/200
x+2y=152
x+y=114
so..x=76 and y=38.
sry...76
u still din get it...which part?
understood?any mor doubts..feeel free 2 ask
hoe x+2y=152 come
well..simplify dude..wait i'll it 4 u..
1.46=x+2y+140/200
x+2y+140=200*14.6
nd dats hw we get x+2y=152
m really sry 4 da late replies buddy...bt cud'nt help...i've poor netwrk over here
got it?
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