If the outlier is excluded from the following data set, what happens to the mean? 250, 200, 308, 275, 32, 199, 220, 268, 290
A: it does not change
B: is decreases
C: it increases

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.