Line of Best Fit

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

What kind of trend is shown from this scatterplot?

• positive correlation
• negative correlation
• none
• cannot be determind

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

What is the line of best fit?

• $f\left(x\right)=5x+1.82$

• cannot be determined

• $f\left(x\right)=1.82x+5.02$

• $f\left(x\right)=1.1x+4.2$

What is the type of correlation?

• negative

• no correlation

• positive

What type of association does this graph have?

• positive

• negative

• none

What type of association does this graph have?

• positive
• negative
• none
• all of the above

Tags

CCSS.HSF-LE.A.1B

What type of association does this graph show?

• positive

• negative

• none

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.F.A.3

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