83 point question. suppose you are researching the eating habits of people your age. what sampling method could you use to find the percent of students in your grade 35 servings of fruit and vegetables each day? what is an example of a survey question that does not have bias?

Can you specifically define what do you mean by "fruit and vegetables" and what constitutes serving For example, does apple/orange/grape Juice qualify? If so, how much drink qualifies as a serving? How many grapes make up a serving? 

Once defined: 

"How many servings of fruit and vegetables do you have on an average day? Circle best estimate. 

1 2 3 4 5 6 7 8 9 10 (11 or more)"