Line of Best Fit

What is the line of best fit?

• f(x)= 5x+1.82
• cannot be determined
• f(x)= 1.82x + 5.02
• f(x)= 1.1x + 4.2

Tags

CCSS.8.EE.B.5

What is the type of correlation?

• Negative 
• no correlation
• positive 

Tags

CCSS.HSF-LE.A.1B

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

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
• all of the above

Tags

CCSS.HSF-LE.A.1B

The linear regression equation for the data is  y = 1.5x + 12.  Use the equation to predict the cost of a pizza that has 8 toppings.

• $8
• $12
• $24
• $28

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

• y = 61.93x - 1.79
• y = -1.79x + 61.93
• y = 0.016x + 0.03
• y = 0.03x + 0.016

What is the line of best fit?

• f(x)= 5x+1.82
• cannot be determined
• f(x)= 1.82x + 5.02
• f(x)= 1.1x + 4.2

What kind of trend is shown from this scatterplot?

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

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3