Question(a) Kenworth Electrical specialises in wiring new houses.
The monthly wages of all Kenworth Electrical employees are summarised in the frequency table below. \begin{tabular}{|c|c|} \hline Monthly wage, $£ x$ & Frequency \\ \hline $1800 \leqslant x<2000$ & 64 \\ \hline $2000 \leqslant x<2100$ & 50 \\ \hline $2100 \leqslant x<2400$ & 2 \\ \hline $2400 \leqslant x<5800$ & 0 \\ \hline $5800 \leqslant x<7800$ & 4 \\ \hline \end{tabular} i) Estimate the mean ii) Which group contains the median iii) Write down the modal group