Boxplots and Outliers - Quiz Quiz

Question 1

Which of the following is the five-number summary for the distribution of arm spans?

Revolt · Accepted Answer

C: 143, 162, 168, 180, 202

Question 2

The five-number summary of a data set is given. Minimum: 3 cap q sub 1 : 12 Median: 15 cap q sub 3 : 16 Maximum: 20 Which of the following is the IQR for this distribution?

Revolt · Accepted Answer

D: 4

Question 3

The five-number summary for the lengths of songs, in minutes, performed by a popular music group is given. Minimum: 1 point 8 cap q sub 1 : 3 point 3 Median: 3 point 8 cap q sub 3 : 4 point 5 Maximum: 9 point 2 The shortest song performed by the group is 1 point 8 minutes while the longest three songs are 5 point 7 , 7 point 5 , and 9 point 2 minutes. Are any of these song lengths outliers?

Revolt · Accepted Answer

A: Yes,  7 point 5  and  9 point 2  are outliers.

Question 4

The five-number summary of a data set is given. Minimum: 3 cap q sub 1 : 12 Median: 15 cap q sub 3 : 16 Maximum: 20 Which of the following equals 1 point 5 times IQR ?

Revolt · Accepted Answer

D: 6

Question 5

Thirteen students in a statistics class were asked how many siblings they have. Their responses are listed. 0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 5, 5, 6 Which of the following boxplots correctly displays the data?

Revolt · Accepted Answer

C: Image with description A boxplot. A number line labeled number of siblings goes from 0 to 6. A point is at 0. The whiskers range from 1 to 6, and the box ranges from 2.5 to 4. A line divides the box at 3.

Question 6

Which of the following is used to identify outliers in a set of data?

Revolt · Accepted Answer

C: 1 point 5 times IQR

Question 7

Identify the outliers, if they exist.

Revolt · Accepted Answer

B: 202

Question 8

Identify the outliers, if they exist.

Revolt · Accepted Answer

C: 12, 14, 15, 16

Question 9

Which of the boxplots correctly displays the data?

Revolt · Accepted Answer

C: Image with description A boxplot. A number line labeled 100 meter times (seconds) goes from 22 to 30. The whiskers range from 22 to 30, and the box ranges from 24.5 to 28. A line divides the box at 26.

Question 10

Which of the following is not a true statement?

Revolt · Accepted Answer

C: The center of the distribution is around 180 cm.

Boxplots and Outliers - Quiz Quiz Answers

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