Boxplots practice

Consider the boxplot below. What is the lower quartile?

• 7

• 10

• 8

• 6.5

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5

The box-and-whisker plot displays the number of inches of snowfall last year for 14 cities. Each city had a different amount of snowfall.

The median amount of snow that fell is _________ inches.

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Consider the boxplot below. What is the interquartile range (IQR)?

• 4
• 3.5
• 6
• 9

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

What percentage of the data is between 40 and 90?

• 25%

• 50%

• 75%

• 100%

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Which city, Nashville or Dallas, has the smaller median?

• Nashville

• Dallas

• They are the same.

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Which of the numbers below is NOT part of a 5 number summary used to create a boxplot?

• lower extreme

• lower quartile

• mean

• upper quartile

• upper extreme

Tags

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Which of the statements is true?

• It is unusual for male actors over 50 years old to win an Oscar.

• It is unusual for female actors over 60 years old to win an Oscar.

• It is unusual for male actors under 40 years old to win an Oscar.

• It is unusual for female actors under 50 years old to win an Oscar.

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5

Find the lower quartile, median, upper quartile, IQR and range of the given data

11,12,12,13,14,14,15,15,15,16,17,17,18

Draw the boxplot on your paper.

• LQ = 12.5, median = 15, UQ = 16.5, IQR = 4.0, and range = 7

• LQ = 11.5, median = 14, UQ = 15.5, IQR = 4.5, and Range = 6

• LQ = 13.5, median = 15.5, UQ = 17.5, IQR = 5.0, and Range = 7

• LQ = 12.5, median = 14, UQ = 16.5, IQR = 4.0, and Range = 8

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.4

CCSS.6.SP.B.5

True or false, 75% of the data values are greater than 18?

• True

• False, 75% of the values are greater than 16

• False, 50 % of the values are greater than 18

• False, 25% of the values are greater than 18

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.5

The data set 5, 6, 7, 8, 9, 9, 9, 10, 12, 14, 17, 17, 18, 19, 19 represents the number of hours spent on the Internet in a week by students in a mathematics class. Which boxplot represents the data?

• 1

• 2

• 3

• 4

Tags

CCSS.6.SP.A.2

CCSS.6.SP.B.4