Swimming Speeds EXAMPLE 2 Make a scatter plot The table shows the lengths ( in centimeters ) and swimming speeds ( in centimeters per second ) of six fish.

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Presentation transcript:

Swimming Speeds EXAMPLE 2 Make a scatter plot The table shows the lengths ( in centimeters ) and swimming speeds ( in centimeters per second ) of six fish. a. Make a scatter plot of the data. b. Describe the correlation of the data.

EXAMPLE 2 Make a scatter plot Treat the data as ordered pairs. Let x represent the fish length ( in centimeters ), and let y represent the speed ( in centimeters per second ). Plot the ordered pairs as points in a coordinate plane. SOLUTION a. The scatter plot shows a positive correlation, which means that longer fish tend to swim faster. b.

GUIDED PRACTICE for Example 2 Make a scatter plot of the data in the table. Describe the correlation of the data. 2. ANSWER The scatter plot shows a positive correlation.