Interpreting Clusters and Outliers — Quiz

Question 1

Which data value would cause the interpretation of the data set to be understated?

Revolt · Accepted Answer

open paren 90 comma 2 close paren

Question 2

Which of the following points, if added to the table, would be an outlier?

Revolt · Accepted Answer

open paren 8 comma 35 close paren

Question 3

Which statement about the scatterplot is true?

Revolt · Accepted Answer

By excluding open paren 10 comma 15 close paren , a better description can be given for the data set.

Question 4

The table shows the final score of the winning hockey team compared to the total number of goals that either team attempted during the game. Each row represents a single hockey game. Which value is an outlier in the table?

Revolt · Accepted Answer

open paren 22 comma 11 close paren

Question 5

Which point would be considered an outlier?

Revolt · Accepted Answer

open paren 3 comma 9 close paren

Question 6

The table shows the number of hours spent studying for a history final exam and the score on that exam. Each row represents a single student. Which value is an outlier in the given table?

Revolt · Accepted Answer

open paren 4 point 5 comma 98 close paren

Question 7

Which statement about the scatterplot is true?

Revolt · Accepted Answer

The scatterplot has a cluster, and the variables are related. As x increases, y increases.

Question 8

Which scatterplot shows the strongest relationship between the variable x and the variable y ?

Revolt · Accepted Answer

Image with description A scatterplot is shown on a first quadrant coordinate plane. There are 11 data points that generally go from the upper left corner of the quadrant to the lower right corner of the quadrant.

Question 9

A scatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. There are 12 data points, each representing a different school. The points are widely dispersed on the scatterplot without a pattern of grouping. Which statement could be true?

Revolt · Accepted Answer

There is no relationship between the size of a school building and the number of students who play an instrument because the scatterplot does not have a cluster.

Question 10

A scatterplot is produced to compare the number of hours that students study to their test scores. There are 25 data points, each representing a different student. The scatterplot shows a grouping of points rising from left to right. Which statement could be true?

Revolt · Accepted Answer

As the number of hours of studying increases, test scores increase because the scatterplot has a cluster that increases from left to right.

Interpreting Clusters and Outliers — Quiz Answers

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