The number of passengers on a bus is recorded each day for 14 days. $$\(\begin{array}{lllllll}15 & 18 & 22 & 17 & 35 & 38 & 24 \\ 19 & 19 & 24 & 25 & 31 & 36 & 29\end{array}\)$$ Complete the stem-and-leaf diagram.

E9.3 Construct and interpret bar charts, pie charts, pictograms, stem-and-leaf diagrams, simple frequency distributions, histograms with equal and unequal intervals and scatter diagrams. (For unequal intervals on histograms, areas are proportional to frequencies and the vertical axis is labelled ‘frequency density’.)