Question

If the mean of the data: 1,2, 3,...,n is 6n/11,
then n =​

Answer 1

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