SP.2 Review

A scatterplot is shown.

Which equation best represents the data in the scatterplot?

• y=−2x+11

• y=−3/4 x+11

• y=3/4 x−11

• y=2x−11

Tags

CCSS.MATH.CONTENT.8.SP.A.2

A scatterplot is shown.

Which equation best represents the scatterplot?

• y = x + 7

• y = x – 7

• y = ^–x + 7

• y = ^–x – 7

Tags

CCSS.MATH.CONTENT.8.SP.A.2

This graph is a scatterplot.

Which equation would best fit the data in the scatterplot?

• y = ^–8.5x + 1.25

• y = 8.5x + 1.25

• y = ^–1.25x + 8.5

• y = 1.25x + 8.5

Tags

CCSS.MATH.CONTENT.8.SP.A.2

A scatterplot is shown.

Which equation best represents the scatterplot?

• y = 40x – 5

• y = 40 – 5x

• y = 40x + 5

• y = 40 + 5x

Tags

CCSS.MATH.CONTENT.8.SP.A.2

Select the option that BEST completes the sentence.

A scatterplot with 2 possible lines of best fit is shown.

Line b is ​​ (a)   ​ Line a.​

• is a worst fit to the data than
• is a better fit to the data than
• an equally good fit to the data as

Tags

CCSS.MATH.CONTENT.8.SP.A.2

Alex surveyed twenty boys from his class. He asked their height in centimeters and their shoe size. Alex wanted to know if these two variables were related. He graphed the results on the coordinate plane. Each graph below shows Alex’s data.

Which of the graphs shows the BEST linear fit for the data?

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• 
• 
• 

Tags

CCSS.MATH.CONTENT.8.SP.A.2

Four lines are shown as a possible “line of best fit” for the given data points.

Based on the plotted points which line is the BEST fit?

• line a

• line b

• line c

• line d

Tags

CCSS.MATH.CONTENT.8.SP.A.2

Which scatter plot shows the line that best fits this data set?

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• 
• 
• 

Tags

CCSS.MATH.CONTENT.8.SP.A.2

Joseph analyzed this set of data.

Which best describes the association between the data points?

• positive linear association

• negative linear association

• non-linear association

• no association

Tags

CCSS.MATH.CONTENT.8.SP.A.1

Which scatterplot best shows a strong linear relationship?

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• 
• 
• 

Tags

CCSS.MATH.CONTENT.8.SP.A.1