Data Analysis

As the age of the car increases, its value decreases. Which scatterplot represents this relationship? Click on the image to enlarge it.

• A

• B

• C

• D

Click on the image to enlarge it.

• A

• B

• C

• D

What are the coordinates of the outlier? Click on the image to enlarge it.

• (1,9)

• (9,1)

• (2,2)

• y=x

What is the equation of the line of best fit? Click on the image to enlarge it.

• y= 2x+3

• y=3x+2

Which of the following lines represents the line of best fit for the scatter plot? Click on the image to enlarge it.

• A

• B

• C

• D

Describe the graph. Click on the image to enlarge it.

• positive linear

• negative linear

• no correlation

• non-linear

Describe the graph. Click on the image to enlarge it.

• positive linear

• negative linear

• no correlation

• nonlinear

Using the given scatter plot, estimate how many emails per day an 18 year old gets. Click on the image to enlarge it.

• 48

• 38

• 28

• 18

The scatter plot shows the amount of money donated to a charity from 2007 to 2012.

QUESTION: In what year did the charity receive $150,000?

Click on the image to enlarge it.

• 2007

• 2009

• 2010

• 2011

Identify any gaps. Click on the image to enlarge it.

• gap between x = 10 and x = 15

• gap between x = 35 and x = 40

• gap between x = 15 and x = 25

• There aren't any significant gaps in this graph.