Apps. and Interpretation for IBDP Maths Ebook 1 | Page 319

2. The following table below shows the distance d in kilometres and the cost c in pounds
of each of six taxi journeys.
Distance ( d km) 50 55 65 75 85 90
Cost ( c pounds) 55 70 60 80 70 85
The above data is visualized by the scatter diagram below, with one point missing.
(a) Plot and label the missing point P on the scatter diagram.
(b) Write down the coordinates of the mean point M .
(c) Plot and label the mean point M on the scatter diagram.
(d) Draw a suitable line of best fit on the scatter diagram.
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