Math  /  Data & Statistics

QuestionThe table shows information about the weekly earnings of 20 peop who work in a shop. \begin{tabular}{|c|c|} \hline Weekly earnings ( fx\mathbf{f} \boldsymbol{x} ) & Frequency \\ \hline 150<x250150<x \leqslant 250 & 1 \\ \hline 250<x350250<x \leqslant 350 & 11 \\ \hline 350<x450350<x \leqslant 450 & 5 \\ \hline 450<x550450<x \leqslant 550 & 0 \\ \hline 550<x650550<x \leqslant 650 & 3 \\ \hline \end{tabular}
Work out an estimate for the mean of the weekly earnings.

Studdy Solution
The estimated mean of the weekly earnings is $365\$365.

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