Scatter Plots and Line of Best Fit

What type of association does this graph show?

• Positive
• negative
• none
• all of the above

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

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

• Yes

• No

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

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

• Yes

• No

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

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

• Yes

• No

Tags

TEKS.MATH.8.4B

What is the equation of the line of best fit

• y= -2x + 10

• y= 10x+ 2

• y= 10

Tags

TEKS.MATH.8.4B

What is the equation of the line of best fit?

• y= 2x

• y=3x+7

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

• positive trend
• negative trend
• no trend

Tags

TEKS.MATH.A.3B

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

• Graph A

• Graph B

• Graph C

• Graph D

Tags

TEKS.MATH.8.5C

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 12 absences should get approximately what score on the final exam?

• 60

• 92

• 70

• 76

Tags

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Tags

TEKS.MATH.A.3B