[tex] \huge \colorbox{black}{ \boxed{ \boxed{ \tt{answer}}}}[/tex]
>>>>>>
[tex]
\begin{gathered}\begin{array}{ |c|c| } \hline \sf class \: interval & \sf frequency\\ \hline \sf{21 - 25} & \sf 6\\ \hline \sf {16 - 20} & \sf \: 10 \\ \hline \sf{11 - 15} & \sf3\\ \hline \sf{6 - 10} & \sf 2\\ \hline \sf {1 - 5} \:& \sf \: 1\\ \hline \sf \: {} \:& \sf \: n = 22\\ \hline \end{array} \end{gathered} [/tex]
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_Joshua