[tex] \large \begin{array}{c| c| c|c}\tt Item \: No.& \tt Means& \tt Extremes \\ \tt1 & \tt5,9& \tt3,15 \\ \tt2& \tt7,24 & \tt6,28 \\ \tt3 & \tt11,30 & \tt5,66\\ \tt 4 & \tt15,4 %\tt12,5\\ \tt5 & \tt63,4 &\tt36,7\end{array}[/tex]​