Mathematics 0580 · IGCSE · Scatter diagrams

Scatter diagrams — practice question

The table gives the maximum power, measured in kW, together with the time taken, in seconds, to go from 0 to 100 km/h for each of 10 cars.
(a(i))[1]

Find the range for the times.

(a(ii))[2]

Find the median value of the maximum power.

(b(i))[1]

Finish the scatter diagram.

(b(ii))[1]

What type of correlation does the scatter diagram show?

(b(iii))[1]

Describe how the maximum power of a car is related to the time taken to accelerate from 0 to 100 km/h.

(b(iv))[1]

Draw a line of best fit on the scatter diagram.

(b(v))[1]

Use your line of best fit to estimate the time taken for this car to accelerate from 0 to 100 km/h.

(c)[3]

Work out how much each monthly payment is.

(d)[3]

Work out how much Jim pays.

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