Scatter plots & two-way tables
Read scatter plots for association and complete two-way frequency tables.
Available exercises
Identify the association
A pair of real-world quantities is described. Decide whether they have a positive, negative or no association.
Line of best fit
A scatter plot is shown with its line of best fit. Use the line to predict the y-value for a given x.
Scatter plots — association
A scatter plot of bivariate data is shown. Decide whether the two quantities show a positive, negative, or no association.
Two-way tables
A two-way frequency table is shown with all its row and column totals and one missing value. Find the missing value.