Scatterplots

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 180 pages.

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

What type of correlation does this scatter plot show?

• positive 
• negative
• no correlation
• nonlinear association

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

What is the type of correlation?

• Negative 
• no correlation
• positive 

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Select the statement that best describes the line.

• The line is the line of best fit.

• The line is a line of best fit because it is increasing and so is the data.

• The line is NOT a line of best fit because it does not go through the middle of the data set.

• The line is NOT a line of best fit because it does not go through the origin.

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Suppose a LINE OF BEST FIT passes through the points (4, 8) and (6, 2). The SLOPE of this line is . . .?

• -3

• -6

• 4

• 2

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

If the debate team plans to practice for 6 hours, how many debates should they win?

• 20
• 16
• 24
• 28

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

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.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

What type of association does this scatter plot represent?

• positive linear association

• negative linear association

• no association

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Which describes the scatterplot?

• As speed increases distance decreases.
• As speed increases, distance increases.
• As speed decreases distance increases.

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3