Word Problems: When to Use Mean, Median, and Mode — Practice problem

Sarah runs the school store and needs to order more candy. In order to make sure she has an inventory that her classmates would like Sarah decided to conduct a survey. Sarah wanted to know what type of chocolate bar is the most popular among students in her class. She also wanted to know how many candy bars the average person eats in a week. Given the data set above, what is the most popular candy bar and what measure of central tendency should Sarah use to find out about how many candy bars are eaten in a week?