Math, asked by Anonymous, 1 year ago

Please answer it fast....

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Answers

Answered by mysticd
1
ui = (xi -A)/h
given
ui = (xi-25)/10
sigma uifi = 20
sigma fi = 100


mean = A + (sigma uifi)*h/sigma fi

= 25+ (20 *10)/100
= 25 +200/100
=25 +2
=27


Anonymous: Thanks
mysticd: u'r welcome
Answered by NeneAmaano
1
Sorry in my last step it should be 25+10(1/5)=25+2=27.
Sorry, for the mistake..........
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NeneAmaano: Hey, is it correct???
mysticd: in last two steps are wrong mean = 25 + 10*1/5= 25 +2 =27
mysticd: nice work
NeneAmaano: OK I got it now..... thanks
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