Chapter 12 - Data Analysis and Probability - 12-3 Measures of Central Tendency and Dispersion - Got It? - Page 739: 1

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Mean$= \frac{104+117+104+136+109+113+104}{7}=112.4\approx112$ Median $104$ $104$ $104$ $109$ $113$ $117$ $136$ $\rightarrow 109$ Mode $=104$ Because there is not an outlier, the mean is the best measure to describe the scores.