Investigate patterns of association in bivariate data.
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8.SP.1 Construct and interpret scatter plots for bivariate measurement data to investigate patterns of association between two quantities.
Expert
Outbreak (Scatterplots and Association)
A mysterious outbreak of phobia hallucinations has taken over the town of Cedar Creek. You and your team are in Cedar Creek because you are the country's best disease experts and data scientists. Once all the patient data has been collected, you can create and analyze scatterplots to determine the most likely causes of the hallucinations. You and your team will put together a report for the mayor and help her address the town with the most likely causes and what the people can do to prevent the hallucinations.Â
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8.SP.2 Know that straight lines are widely used to model relationships between two quantitative variables.
8.SP.3 Use the equation of a linear model to solve problems in the context of bivariate measurement data, interpreting the slope and intercept.
8.SP.4 Understand that patterns of association can also be seen in bivariate categorical data by displaying frequencies and relative frequencies in a two-way table.
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