Refer to This Stemplot to Answer the Following Questions $\begin{array}{ll}0 & 1234 \\ 1 & 03 \\ 2 & 14669 \\ 3 & \\ 4 & 2789\end{array}$

Short Answer

Refer to this stemplot to answer the following questions:
$\begin{array}{ll}0 & 1234 \\ 1 & 03 \\ 2 & 14669 \\ 3 & \\ 4 & 2789\end{array}$
-What is the difference Q₃ − Q₁ for this data set?