CAIE IGCSE Mathematics Extended E9.2 Interpreting Statistical Data Topic Practice

The box-and-whisker plot shows information about the mass, in kg, of some parcels.

Find the mass of the heaviest parcel.
$$\mathrm{kg}$$

The box-and-whisker plot shows information about the marks scored by some students in a test.

This box-and-whisker plot shows information about the marks scored by the same students in a second test.

Make one comparison between the distributions of marks in the two tests.

136 girls and 144 boys each measure the distance they jump in centimetres.
The box-and-whisker plots show the distributions of these distances.

Each child who jumps a distance greater than 160 cm gets a certificate.
Work out an estimate of the total number of children who get a certificate.