Scatterplots & Trend Lines

What is the type of association?

• Negative 
• no association
• positive 

Tags

CCSS.HSF-LE.A.1B

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.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

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

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

Select the statement that best describes the line.

• The line is the line of best fit.
• The line is NOT a line of best fit because it does not pass through two points.
• 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.EE.B.5

What type of correlation would you likely see with:

The amount of time spent working compared to the amount of money earned

• positive correlation

• negative correlation

• no correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Which line appears to fit the data better?

• line A

• line B

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

Which scatterplot shows a negative relationship?

• 
• 
• 

Tags

CCSS.8.EE.B.5

Which shows a line of best fit?

• 
• 
• 
• 

Tags

CCSS.8.EE.B.5

If m = 8/5 and b = -8/5, what is the equation of the trend line in y= mx + b?

• 0 = 8/5 (1) - 8/5

• y = -8/5 x + 8/5

• y = 8/5 x - 8/5

• y = mx + b

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

If m = -3/4 and b = 9, what is the equation of the trend line in y= mx + b?

• 0 = -3/4 (9) +9

• y = -3/4 x + 9

• y = -3/4 x - 9

• y = 3/4 + 9

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3