Example 1 Example 2 Example 3 Example 4 Draw a line of best fit to both scatter diagrams below. Example 5 (a) From your scatter plot in example 2, draw a line of best fit. (b) Estimate the Mathematics mark of a student who was absent for the examination but scored 80 in Physics. Relationship between Cumulative Frequency Diagram and Box-and-whiskers Plot (box plot) Additional example 1 Additional example 2