S-ID.B.6. Represent data on two quantitative variables on a scatter plot, and describe how the variables are related.

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S-ID.B.6.a. Fit a function to the data; use functions fitted to data to solve problems in the context of the data. Use given functions or choose a function suggested by the context. Emphasize linear, quadratic, and exponential models.

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S-ID.B.6.b. Informally assess the fit of a function by plotting and analyzing residuals.

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S-ID.B.6.c. Fit a linear function for a scatter plot that suggests a linear association.

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