Discussion
For a data set, the mean is 25 and the median is 22. What is the approximate value of the mode?
Answer: A
\[ \text{Mode} = 3\,\text{Median} - 2\,\text{Mean} = 3(22) - 2(25) \]
\[ = 66 - 50 = 16 \]
Mean above median indicates a right skew, so the mode should be the smallest of the three - a check on the sign.
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