Scatterplots - Create, Read, and Analyze

What is a scatter plot?

• A graph that shows the relationship of two data sets.
• A graph drawn using rectangular bars to show how large each value is.
• A graph that shows information that is connected in some way.
• A graph that shows data changing over time.

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CCSS.6.EE.C.9

CCSS.6.NS.C.8

CCSS.6.SP.B.4

Name the correlation in this graph

• Negative correlation

• No correlation

• Lots of correlation

• Positive correlation

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CCSS.8.SP.A.1

CCSS.8.SP.A.2

What type of relationship does this graph have?

• Positive
• Negative
• No Relationship
• Constant 

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CCSS.6.EE.C.9

CCSS.6.SP.B.4

Which scatter plot show a positive relationship?

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

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CCSS.8.EE.B.5

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CCSS.6.NS.C.8

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

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CCSS.8.EE.B.5

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CCSS.6.NS.C.8

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

The police department tracked the number of ticket writers and number of tickets issued for the past 8 weeks.  The scatter plot shows the results.  Which statement is true?

• More ticket writers results in fewer tickets issued.
• There were 50 tickets issued every week.
• When there are 10 ticket writers, there will be 800 tickets issued.
• More ticket writers results in more tickets issued.

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CCSS.6.EE.C.9

CCSS.6.RP.A.1

CCSS.6.RP.A.3

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5

The following scatter plot shows the weights and lengths of some dinosaurs.  Which statement accurately describes the information?

• The information shows a positive correlation.  The weight of a dinosaur tends to increase according to its length.
• The information shows a negative correlation.  the weight of a dinosaur tends to decrease according to its length.
• The information shows no correlation.  The weight and length vary according to the type of dinosaur.
• The information shows no correlation.  The relationship between the weight and length of a dinosaur is uncertain.

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CCSS.6.SP.A.2

CCSS.6.SP.B.4

CCSS.6.SP.B.5

This scatter plot shows the average traffic volume and average vehicle speed on a certain freeway for 50 days in 1999.  Which statement best describes this relationship.

• As traffic volume increases, vehicle speed increases.
• As traffic volume increases, vehicle speed decreases.
• As traffic volume increases, vehicle speed increases at first, then decreases.
• As traffic volume increases, vehicle speed decreases at first, then increases.

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CCSS.HSF.IF.B.4