Regression and Scatterplots

What is the Slope of the two graphs?  Left graph then right graph.

• Positive, Zero
• Negative, Undefined
• Zero, Undefined
• No Slope, Zero

Tags

CCSS.8.EE.B.5

Which scatterplot suggests a linear relationship between x and y?

• 
• 
• 
• 

Tags

CCSS.8.F.A.3

What does the data you created from this data in your scatter plot imply?

• strong positive correlation

• strong negative correlation

• weak negative correlation

• weak positive correlation

Tags

CCSS.HSS.ID.C.8

CCSS.HSS.ID.B.6

Write the equation for the line of best fit.

Round decimals to TWO places.

Mathematical Equivalence

ON

Tags

CCSS.8.EE.C.8C

What is the correlation coefficient r for this data set?

Round to TWO decimal places.

Mathematical Equivalence

ON

Tags

CCSS.HSS.ID.C.8

Predict the score of a person who studies for 10 days.

Round to the nearest WHOLE number.

Mathematical Equivalence

ON

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Find the equation of the line that passes through the points:

(-2, 4) and (1, 10)

• y = 2x - 1

• y = -2x + 1

• y = 2x + 8

• y = -2x

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.C.7