The grade point averages for 40 students are listed below. Construct a frequency histogram and a frequency polygon using eight classes.
$\begin{array}{llllllllll}2.0 & 3.2 & 1.8 & 2.9 & 0.9 & 4.0 & 3.3 & 2.9 & 3.6 & 0.8\end{array}$
$\begin{array}{llllllllll}3.1 & 2.4 & 2.4 & 2.3 & 1.6 & 1.6 & 4.0 & 3.1 & 3.2 & 1.8\end{array}$
$\begin{array}{llllllllll}2.2 & 2.2 & 1.7 & 0.5 & 3.6 & 3.4 & 1.9 & 2.0 & 3.0 & 1.1\end{array}$
$\begin{array}{llllllllll}3.0 & 4.0 & 4.0 & 2.1 & 1.9 & 1.1 & 0.5 & 3.2 & 3.0 & 2.2\end{array}$

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The Answer of The grade point averages for 40 students are listed below. Construct a frequency histogram and a frequency polygon using eight classes.
$\begin{array}{llllllllll}2.0 & 3.2 & 1.8 & 2.9 & 0.9 & 4.0 & 3.3 & 2.9 & 3.6 & 0.8\end{array}$
$\begin{array}{llllllllll}3.1 & 2.4 & 2.4 & 2.3 & 1.6 & 1.6 & 4.0 & 3.1 & 3.2 & 1.8\end{array}$
$\begin{array}{llllllllll}2.2 & 2.2 & 1.7 & 0.5 & 3.6 & 3.4 & 1.9 & 2.0 & 3.0 & 1.1\end{array}$
$\begin{array}{llllllllll}3.0 & 4.0 & 4.0 & 2.1 & 1.9 & 1.1 & 0.5 & 3.2 & 3.0 & 2.2\end{array}$

The Grade Point Averages for 40 Students Are Listed Below 2.03.21.82.90.94.03.32.93.60.8\begin{array}{llllllllll}2.0 & 3.2 & 1.8 & 2.9 & 0.9 & 4.0 & 3.3 & 2.9 & 3.6 & 0.8\end{array}2.0​3.2​1.8​2.9​0.9​4.0​3.3​2.9​3.6​0.8​

The Grade Point Averages for 40 Students Are Listed Below $\begin{array}{llllllllll}2.0 & 3.2 & 1.8 & 2.9 & 0.9 & 4.0 & 3.3 & 2.9 & 3.6 & 0.8\end{array}$