The dot plot shows monthly incomes (dollars). Find the percentage earning at most $\$5000$, the mi

Question

The dot plot shows monthly incomes (dollars). Find the percentage earning at most $\$5000$, the minimum income of the top 20%, the pie angle for $\$7500$, whether the mean is a suitable typical income.

Accepted Answer

(a) $50\%$. (b) $\$10000$. (c) $90^\circ$. (d) Use the median; the mean is affected by the high outlier.

Income distribution with a high outlier

Income distribution with a high outlier

Solution:

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