Scatterplots and Trendlines

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

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

• 1250
• 1500
• 1750
• 2000

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.EE.C.7

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.
• The more books students read, the higher their English grade.
• The fewer books students read, the higher their English grade. 
• No relationship exists between the number of books students read and their English grades. 

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

The number of siblings you have and your weight. 

• Positive correlation
• Negative correlation
• No correlation

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Name the correlation in this graph

• Negative Correlation
• No Correlation
• Lots of Correlation
• Positive Correlation

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Which sentence describes the relationship shown on this scatterplot?

• As the temperature decreases, the visitors increase. 
• As the temperature increases, the number of visitors increases. 
• As the visitors increase, the temperature decreases. 
• No correlation

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 60pages.

• 10 chapters

• 15 chapters

• 6 chapters

• 21 chapters

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters pages would be in a book with 8 chapters.

• 21 pages

• 65 pages

• 80 pages

• 10 pages

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

Phil collected data from several of his friends about the number of hours they spent sleeping and the number of hours they spent playing video games on Saturday. He recorded the data in the scatterplot.

Based on the scatterplot, what is the best prediction of the number of hours one of Phil's friends spends sleeping when the friend spends 1 hour playing video games?

• 9 hours

• 11 hours

• 7 hours

• 8 hours

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2