Bivariate data
Chapter 60 of 18 strong
RESTS ONClassify a variable as categorical or numericalCH 2Choose a display to suit the dataCH 2Plot a table of values and draw the straight line through the pointsCH 5Read coordinates off a graphed line respecting its axis scalesCH 5Calculate the standard deviationCH 2Calculate the meanCH 2Find a graphed line's equation from its intercept and two well-defined pointsCH 5Find the equation of the line through two pointsCH 5Write a line's equation from its y-intercept and slopeCH 5State in context words what a model's intercept and slope meanCH 5Use a linear model to predict a response or solve for an explanatory valueCH 5Substitute known values into a formula and evaluate it correctlyCH 5
Scatterplots
Describing association
Pearson's correlation coefficient
Fitting linear models
Model interpretation and prediction