Answer:
mean will be 67
Explanation:
We have given the numbers 72,82,3,55,62,73,90,80,151,59,46,31
We have to find the mean
Here total count of numbers = 12
Sum of total numbers = 72+82+3+55+62+73+90+80+151+59+46+31 = 804
We know that mean is given by

So mean will be 67