CCSS.Math.Content.8.SP.A.1

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• A. 50 min
• B. 80 min
• C. 45 min
• D. 60 min

Tags

CCSS.Math.Content.8.SP.A.1

CCSS.Math.Content.8.SP.A.2

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.Math.Content.8.SP.A.1

CCSS.Math.Content.8.SP.A.2

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.Math.Content.8.SP.A.1

What type of correlation does this graph have?

• positive
• negative
• none
• all of the above

Tags

CCSS.Math.Content.8.SP.A.1

If the carpenter worked for 6 days, how much did he earn?

• 1250
• 1500
• 1750
• 2000

Tags

CCSS.Math.Content.8.SP.A.1

What type of association does this graph have?

• positive
• negative
• none
• all of the above

Tags

CCSS.Math.Content.8.SP.A.1

CCSS.Math.Content.8.SP.A.2

In a scatterplot, a cluster...

• ...is something we didn't learn in 8th grade
• ...is a point on the origin
• ...is a point that is far outside the main cluster of points/ordered pairs
• ...is a group of points that are close together

Tags

CCSS.Math.Content.8.SP.A.1

A perfect negative correlation has a correlation coefficient of ____. 

• 1
• -1
• 0

Tags

CCSS.Math.Content.8.SP.A.1

CCSS.Math.Content.8.SP.A.2

Use the line of best fit to approximate rate of change relative to the scatter plot above.

• 7/5

• 5/7

• -7/5

• -5/7

Tags

CCSS.Math.Content.8.SP.A.1

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.Math.Content.8.SP.A.1

CCSS.Math.Content.8.SP.A.2