Review - Correlations and Causation (6.6 T1)

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

Which with is the line of best fit?

• A) Black

• B) Orange

• C) Red

• D) Blue

Tags

CCSS.8.EE.B.5

What type of correlation does this graph show?

• A) Positive

• B) negative

• C) none

• D) all of the above

As x increases, y decreases.

• A) no correlation

• B) negative correlation

• C) correlation coefficient

• D) positive correlation

Tags

CCSS.HSF-LE.A.1B

As x increases, y increases

• A) correlation coefficient

• B) causation

• C) positive correlation

• D) negative correlation

Tags

CCSS.HSF-LE.A.1B

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?

• A) The more books students read, the lower their English grade.

• B) The more books students read, the higher their English grade.

• C) The fewer books students read, the higher their English grade.

• D) No relationship exists between the number of books students read and their English grades.

Tags

CCSS.HSF.LE.B.5

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

r=-0.89

• Strong positive 
• Weak positive 
• Strong negative 
• Weak negative 

Tags

CCSS.HSF-LE.A.1B

r=0.3

• Strong positive 
• Weak positive
• Strong negative
• Weak negative 

Which example shows CAUSATION? (Which one CAUSED the other to happen.)

• High social media usage and reduced grades.

• Car ran out of gas and being stranded on the side of the road.

• Recess time and number of friends.