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Represent and describe data on two quantitative variables on a scatter plot

Represent data on two quantitative variables on a scatter plot, and describe how the variables are related. 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. Informally assess the fit of a function by plotting and analyzing residuals. Fit a linear function for a scatter plot that suggests a linear association.

Lessons

  • Make predictions using a line of best fit

    In this lesson you will learn how to make predictions about a situation by using the line of best fit.

  • Calculate the residual

    In this lesson you will learn how measure the accuracy of a prediction by calculating the residual.

  • Find the least squares regression equation

    In this lesson you will learn how to find the least squares regression equation by using technology.

Resources