Find the Mode(s)for the Given Sample Data $\begin{array} { l l l l l } 42.9 & 42.4 & 40.6 & 42.1 & 41.8 \end{array}$

Multiple Choice

Find the mode(s) for the given sample data.
-The speeds (in mi/h) of the cars passing a certain checkpoint are measured by radar. The results are shown below.
$\begin{array} { l l l l l } 42.9 & 42.4 & 40.6 & 42.1 & 41.8 \end{array}$
$\begin{array} { l l l l l } 41.8 & 42.4 & 42.8 & 44.2 & 42.1 \end{array}$
$\begin{array} { l l l l l } 42.9 & 42.8 & 42.1 & 42.5 & 42.4 \end{array}$
$\begin{array} { l l l l l } 43.3 & 43.3 & 40.6 & 44.0 & 42.9 \end{array}$

A) $42.47 \mathrm { mi } / \mathrm { hr }$
B) $42.4 \mathrm { mi } / \mathrm { hr }$
C) $42.9 \mathrm { mi } / \mathrm { hr } , 42.1 \mathrm { mi } / \mathrm { hr } , 42.4 \mathrm { mi } / \mathrm { hr }$
D) $42.9 \mathrm { mi } / \mathrm { hr }$