1 The total annual emissions of carbon dioxide, \(x\) tonnes per person, for 13 European countries are given below.
$$\begin{array} { c c c c c c c c c c c c c }
6.2 & 6.7 & 6.8 & 8.1 & 8.1 & 8.5 & 8.6 & 9.0 & 9.9 & 10.1 & 11.0 & 11.8 & 22.8
\end{array}$$
- Find the mean, median and midrange of these data.
- Comment on how useful each of these is as a measure of central tendency for these data, giving a brief reason for each of your answers.