The scatter graph shows the height h and foot length f of 8 students. A line of

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The scatter graph shows the height h and foot length f of 8 students. A line of best fit is drawn on the scatter graph.


a. Explain why the data can be approximated to a linear model.


b. Use points A and B on the scatter graph to write a linear equation in the form h = af + b.


c. Calculate the expected height of a person with a foot length of 26.5 cm.


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