If the mean of the data: 1,2, 3,...,n is 6n/11,
then n =
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Step-by-step explanation:
the mean of the data is
= 1+2+3+,,,,n÷n=6n/11
=n(n+1)/2n=6n/11
=n+1/2=6n/11
=n+1=12n/11
n=11
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