Exploring Range and Box Plots in Data Analysis

A class of students scored the following on a math test: 75, 82, 88, 90, 95. What is the range of the scores?

• 15

• 25

• 30

• 20

The heights of five plants are measured as follows: 12 cm, 15 cm, 14 cm, 18 cm, and 20 cm. What is the range of the heights?

• 8 cm

• 6 cm

• 10 cm

• 12 cm

A box plot shows the test scores of a group of students. The minimum score is 60, the first quartile is 70, the median is 80, the third quartile is 90, and the maximum score is 100. What is the interquartile range (IQR) of the scores?

• 15

• 25

• 30

• 20

In a survey, the ages of participants are represented in a box plot. If the ages range from 18 to 65, what is the range of ages in the survey?

• 47

• 75

• 50

• 30

A teacher recorded the number of books read by students in a month: 3, 5, 7, 2, 8. What is the range of books read?

• 6

• 4

• 10

• 5

The box plot of a set of data shows that the median is 50 and the IQR is 20. What are the values of the first and third quartiles?

• Q1: 35, Q3: 55

• Q1: 45, Q3: 65

• Q1: 30, Q3: 50

• Q1: 40, Q3: 60

A group of friends recorded their weekly exercise hours: 2, 3, 5, 7, 10. What is the range of exercise hours?

• 5

• 10

• 12

• 8

A box plot displays the number of hours students spend on homework each week. If the maximum is 15 hours and the minimum is 2 hours, what is the range?

• 13 hours

• 10 hours

• 5 hours

• 12 hours

The ages of a group of children are 6, 7, 8, 9, and 10. What is the range of their ages?

• 3

• 5

• 4

• 7

A box plot shows the daily temperatures in a city for a week. If the minimum temperature is 15°C and the maximum is 30°C, what is the range of temperatures?

• 10°C

• 25°C

• 35°C

• 15°C