The Following Stem-And-Leaf Output Has Been Generated by Minitab $\quad \mathrm { N } = 10$

Short Answer

The following stem-and-leaf output has been generated by Minitab. Stem-and-leaf of C2 $\quad \mathrm { N } = 10$
Leaf Unit $= 0.10$
$\begin{array} { l c l } 2 & - 1 & 31 \\ 4 & - 0 & 86 \\ ( 2 ) & - 0 & 41 \\ 4 & 0 & 1 \\ 3 & 0 & 8 \\ 2 & 1 & 1 \\ 1 & 1 & 8 \end{array}$ How many values are positive?