A statistician takes several random surveys, each of 50
middle school students, to determine the favorite pizza topping of middle school students. The table shows the mean results from all the surveys.
extra cheese 13
pepperoni 17
pineapple 8
sausage 5
vegetables 7
Which statement is a valid inference that can be made based on the data collected?
1) On average, about 50% of students prefer either extra cheese or pepperoni.
2) On average, about 10% of students prefer sausage.
3)On average, 1/3 of students prefer either pepperoni or pineapple.
4)On average, 1/4 of students prefer either pineapple or vegetables.