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Reading and Interpreting Box Plots

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1.

The box plot shows the length of eight different bones (in inches) in human beings.

Image 1

What is the first quartile of the given data?

36.5
25
24

2.

The average weights (in pounds) of ten wild animals are shown on the box plot.

Image 2

What is the median weight of the animals?

170 pounds
230 pounds
75 pounds

3.

As part of an experiment, a chemist used various acids. The quantity of each acid used (in fluid ounces) is shown on the box plot.

Image 3

What is the first quartile of the quantities shown?

48
79
49

4.

The incubation time (in days) of 12 birds were observed and a box plot is made.

Image 4

What is the first quartile of the data shown?

15.5
28
13

5.

A mobile phone distributer distributes various brands of smartphones to retailers. The number of smartphones he distributed is displayed in the box plot.

Image 5

What is the median of the data shown?

37
48.5
40

6.

The box plot displays the number of colored balls kept in eleven trays.

Image 6

What is the third quartile of the number of balls?

79
98
89

7.

A library has several research books kept in 12 racks. The number of books in each rack is recorded in a box plot.

Image 7

Determine the first quartile of the data shown.

30.5
22
15

8.

Rhone downloads ten apps in his smartphone. The size of each app (in MB) is recorded on a box plot.

Image 8

What is least size of the apps downloaded according to plot?

32 MB
21 MB
13 MB

9.

The average annual temperature (in Fahrenheit) of Idaho, Colorado, Connecticut, Indiana, Illinois, Kansas, Kentucky, Arizona, Arkansas, Alabama, Georgia are recorded on a box plot.

Image 9

What is the maximum temperature recorded?

Image 9A
Image 9B
Image 9C

10.

The data of the per capita municipal solid waste (in pounds per day) generated in the United States from 1960 to 2005 (every 5 years) are collected and a box-and-whisker plot is made.

Image 10

What is the first quartile of the data displayed?

4
3.3
3

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