Math, asked by priksarora88pbsp44, 1 year ago

Find mean;
Class : Less than 20;less than 40;less than 60; less than 80; less than 100
Frequency : 41 ; 51 ;64 ; 88 ; 97

Answers

Answered by Tanu060105
1
mean = sum of all frequencies/no of frequencies
= 41+51+64+88+97/5
= 341/5
= 68.2

please mark brainliest

priksarora88pbsp44: It is a 3 marks question
Tanu060105: so u want lengthy answer
priksarora88pbsp44: Yes
Tanu060105: i have given the answet please nark brainliest
priksarora88pbsp44: First u give the perfect solution
Tanu060105: i have given check the answet
priksarora88pbsp44: It is not the answer on the basis of class 10
Tanu060105: oh sorry. iam in class 9
priksarora88pbsp44: Okkk therefore I had given only 1 star
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