Calculate the Mean of the Grouped Data from the Given

Short Answer

Calculate the mean of the grouped data from the given frequency distribution. (Round to nearest tenth) $$\begin{array} { | l | l | } \hline \text { Class } & \text { Frequency (f) } \\\hline 30 \text { to } 34 & 4 \\\hline 35 \text { to } 39 & 4 \\\hline 40 \text { to } 44 & 3 \\\hline 45 \text { to } 49 & 3 \\\hline 50 \text { to } 54 & 1 \\\hline\end{array}$$