Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.

The table gives a car dealer's weekly sales for a random sample of 26 weeks.

\begin{tabular}{|c|c|}
\hline Week & Cars Sold \\
\hline 1 & 1 \\
\hline 2 & 1 \\
\hline 3 & 4 \\
\hline 4 & 2 \\
\hline 5 & 4 \\
\hline 6 & 10 \\
\hline 7 & 8 \\
\hline 8 & 5 \\
\hline 9 & 9 \\
\hline 10 & 6 \\
\hline 11 & 2 \\
\hline 12 & 5 \\
\hline 13 & 6 \\
\hline 14 & 5 \\
\hline 15 & 7 \\
\hline 16 & 1 \\
\hline 17 & 4 \\
\hline 18 & 6 \\
\hline 19 & 8 \\
\hline 20 & 9 \\
\hline 21 & 2 \\
\hline 22 & 5 \\
\hline 23 & 9 \\
\hline 24 & 5 \\
\hline 25 & 3 \\
\hline 26 & 3 \\
\hline
\end{tabular}

The sample mean of cars sold per week is 5.12.