Question

Joseph asked students in his homeroom class how many songs that have on their MP3 players. His data is recorded in the table below. What is the difference between the interquartile ranges of songs on the boys' MP3 players and the girls' MP3 players?

Answer 1

21

Explanation:

Boys:

Q1: 78

Q3: 140

IQR: 140 - 78 = 62

Girls:

Q1: 97

Q3: 180

IQR: 180 - 97 = 83

Difference:

83 - 62

21