Question

Please frnds help me solve this...

Answer 1

7.mean of 40 no. is 35
40×35=1400
so the sum of 40 no. is 1400
now ,
56 is noted as 16...
so we have to add 40 in the sum
1400+40=1440
now divide this by 40 as there are 40 no.
1440/40=36
so the correct mean of 40 no. is 36

Answer 2

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7.mean of 40 no. is 35

40×35=1400

so the sum of 40 no. is 1400

now ,

56 is noted as 16...

so we have to add 40 in the sum

1400+40=1440

now divide this by 40 as there are 40 no.

1440/40=36

so the correct mean of 40 no. is 36

• Hope it will help you dear!!!

• Thank you!!!

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