b. Informally assess the fit of a Ability to create a graphic display of Plots of residuals should show no pattern in order function by plotting and residuals for the linear model to be appropriate. A relatively analyzing . (supporting) high correlation coefficient is no guarantee that the Ability to recognize patterns in residual model is appropriate. plots Note: Focus on linear models, Ability to analyze the meaning of but may use this standard to patterns in residual plots. preview quadratic functions in Unit 5 of this course c. Fit a linear function for a Ability to recognize a linear relationship scatter plot that suggests a displayed in a scatter plot linear association Ability to determine an equation for the (supporting) line of best fit for a set of data points S.ID.7 Interpret the slope (rate See the skills and knowledge that are Students should be able to analyze the of change) and the intercept stated in the Standard. reasonableness of the y-intercept in the context of (constant term) of a linear the situation. model in the context of the Slope should be interpreted in the context of the data. (major) situation.
b. Informally assess the fit of a function by plotting and analyzing . (supporting) Note: Focus on linear models, but may use this standard to preview quadratic functions in Unit 5 of this course Ability to create a graphic display of residuals Ability to recognize patterns in residual plots Ability to analyze the meaning of patterns in residual plots. Plots of residuals should show no pattern in order for the linear model to be appropriate. A relatively high correlation coefficient is no guarantee that the model is appropriate. c. Fit a linear function for a scatter plot that suggests a linear association (supporting) Ability to recognize a linear relationship displayed in a scatter plot Ability to determine an equation for the line of best fit for a set of data points S.ID.7 Interpret the slope (rate of change) and the intercept (constant term) of a linear model in the context of the data. (major) See the skills and knowledge that are stated in the Standard. Students should be able to analyze the reasonableness of the y-intercept in the context of the situation. Slope should be interpreted in the context of the situation.