Question

the mean of 6 numbers is 24. If one number is excluded ,the mean of remaining numbers becomes 22. Find the excluded number

Answer 1

Hi!!
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Simple!!!



Mean =(Sum of All Observations)/(No. of

Observations)



Let the excluded number be x

then,


=(22+x)/6=24

=22+x=24×6

=22+x=144

=x=144-22

=x=122

That is the excluded number!!

Answer 2

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