Question 1127296
The mean is the number of pets * number of adults
all divided by the total number of adults
1*248=248
2*567=1134
3*1402=4206
4*728=2912
5*419=2095
6*456=2736
7*203=1421
Number of adults=4023
pets*adults sum is 14752
divide 14752/4023=3.67 pets per adult is the mean or expected value.