Statistics › Range, quartiles and spread › Interquartile range and outliers
Interquartile range from a frequency table
High school · ●●○○○ 20 pts
A survey records the number of people in each car passing a particular point. The frequency of each number of people in a car is: - 1 person: 45 cars - 2 people: 198 cars - 3 people: 121 cars - 4 people: 76 cars - 5 people: 52 cars - 6 people: 13 cars Find the interquartile range of the number of people in a car.