Question

Calculate the mean of this data set
12,7, 12, 9, 2, 15, 6, 6, 6, 1, 11

Answer 1

7.9

Explanation:

Mean=sum of observations/no. Of observations

Mean=(12+7+12+9+2+15+6+6+6+1+11)/11

Mean=87/11

Mean=7.9