A tutor kept track of how many students she had helped every week for a year. The range of the number of tutored students was 10 students. Which of the following is the best interpretation of this value?
O Fifty percent of the tutored students' data is below 10 students
The middle half of the tutored students' data has a range that is 10 students wide
The number of students helped within a week typically varies by about 10 students from the mean
The difference between the smallest and largest values in the tutored students' data was 10 students