Mathematics 0580 · IGCSE · Scatter diagrams

Scatter diagrams — practice question

Eight athletes take part in both the 200 metre race and the long jump. Their results appear in the table.
(a(i))[1]

Calculate the range of the times in the 200 metre race.

(a(ii))[2]

Calculate the mean of the distances in the long jump.

(b(i))[2]

Complete the scatter diagram.

(b(ii))[1]

What type of correlation is displayed on the scatter diagram?

(b(iii))[1]

Is he correct? Explain your answer.

(b(iv))[1]

Draw a line of best fit on the scatter diagram.

(b(v))[1]

Use your line of best fit to estimate her distance in the long jump.

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