Mathematics 4024 · O Level · Scatter diagrams

Scatter diagrams — practice question

The scatter diagram plots the ages of ten people against the time each one needs to finish a task.
(a)[1]

State the kind of correlation shown by the scatter diagram.

(b)[2]

Using a line of best fit, estimate the time needed for a person aged $50$ to complete the task.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Positive correlation” …

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