Math, asked by prernakhowal321, 4 months ago

ANS. 40
Year
Calculate the Mean.
0-5 5-10 10-15 15-20 20-25 25-30 30-35 35-40
Freq 7 9 11 28 30 22 7 5
Ans. 21
Find out Q and Q

Answers

Answered by sameerwarsisaifi788

1

Step-by-step explanation:

let 21 be X

Q = ?

40=X+Q

40=21+Q

40-21=Q

19 = Q

The value of Q be 19

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