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Ex-14.1 Qno.3 plz explain how can …

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Ex-14.1 Qno.3 plz explain how can we cancel 18

Posted by Seema Naseem 6 years, 4 months ago

CBSE > Class 10 > Mathematics

2 answers

Simran Rathore 6 years, 4 months ago

From the given data mean is(a) 18 therefore (x)=a+sigma. Fidi/sigmafi =18=18+2f-40/44+f 2f-40/44+f=0 2f-40=0 2f=40 F=20 Hence missing frequency is 20?

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Football _Champ07 6 years, 4 months ago

Ncert or ......????

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