Mathematics 4024 · O Level · Scatter diagrams

Scatter diagrams — practice question

The table gives the birth masses of $10$ mothers and their babies.
(a)[1]

Use the grid to finish the scatter diagram. The first six points have already been plotted for you.

(b)[1]

Which type of correlation is shown by the scatter diagram?

(c)[1]

Draw a line of best fit on the scatter diagram.

(d)[1]

Anna has a mass of $82\text{ kg}$ and gives birth to a baby. Use your line of best fit to estimate the mass of her baby.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: All $4$ points plotted correctly

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