Exit Ticket 10/1

 A researcher for a music company researched the sales, in millions of dollars, of music CDs, for x years from 1990 to 2010. The researcher used some of the data for the years 1990-2010 to determine the line of best fit. A graph of the residuals are shown.

Given this information, complete the following statement to describe the strength of this linear relationship. 

The strength of the linear relationship is:

• strong

• weak

 A researcher for a music company researched the sales, in millions of dollars, of music CDs, for x years from 1990 to 2010. The researcher used some of the data for the years 1990-2010 to determine the line of best fit. A graph of the residuals are shown.

Given this information, complete the following statement to describe the strength of this linear relationship. 

The residual values are:

• Relatively small and randomly scattered around the x-axis

• Relatively small and show a pattern

• Relatively large and randomly scattered around the x-axis

• Relatively large and show a pattern

The scatter plot shows the high temperatures, in degrees Fahrenheit for the month of January in Orlando, Florida.Select all the points that would result in a positive residual.

• Point A

• Point B

• Point C

• Point D

• Point E

Describe this scatter plot

• mid strong correlation

• weak negative correlation

• strong negative correlation

• no correlation