Question

the box plot represents the distribution of speeds, in miles per hour, of 100 cars as they passed through a busy intersection. a. what is the smallest value in the data set? miles per hour b. what is the largest value in the data set? miles per hour c. what is the median? miles per hour d. what is the first quartile (q1)? miles per hour e. what is the third quartile (q3)? miles per hour speed of cars (miles per hour)

Explanation:

Step1: Identify smallest value

The left - most end of the whisker represents the smallest value in the data set. Looking at the box - plot, it is 4 miles per hour.

Step2: Identify largest value

The right - most end of the whisker represents the largest value in the data set. It is 48 miles per hour.

Step3: Identify median

The line inside the box represents the median. It is at 20 miles per hour.

Step4: Identify first quartile

The left - hand side of the box represents the first quartile (Q1). It is at 12 miles per hour.

Step5: Identify third quartile

The right - hand side of the box represents the third quartile (Q3). It is at 28 miles per hour.

Answer:

a. 4 miles per hour
b. 48 miles per hour
c. 20 miles per hour
d. 12 miles per hour
e. 28 miles per hour