Line of Best Fit

This measures how strong or weak the relationship between 2 quantitative variables are.

• Scatter Plot

• Causation

• Correlation

• Line of best fit

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

What type of correlation do you think there is between:
Time Spent Watching TV & Grades

• Positive correlation
• Negative correlation
• No correlation
• cannot be determined

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

What would be the correlation between study time and test grades?

• positive
• negative
• none
• cannot be determined

Tags

CCSS.HSF-LE.A.1B

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

• positive trend
• negative trend
• no trend

Tags

CCSS.HSS.ID.B.6

Which sentence describes the relationship shown on this scatter plot?

• 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.HSF-LE.A.1B

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points
• To make it look like you know what you are doing

Tags

CCSS.8.EE.B.5

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.B.6

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Tags

CCSS.8.EE.B.5