Answer :
Solution:
We are required to find the mean median and mode of 1,2,2,6,5,1,1.
[tex]Mean=\frac{1+2+2+6+5+1+1}{7}=\frac{18}{7}=2.5714[/tex]Median:
Sort the data
1, 1, 1, 2, 2, 5, 6
The median = 2
Mode = 1 (because it appears the most (3 times) )