For the data $\{6, 4, 7, 10, 4\}$, the mean is $6.2$. What is the **mode** of the same data set?
A$4$
B$6$
C$6.2$
DThe data has no mode.
Answer & Solution
Correct answer: A. $4$
Mode = the value occurring most often. In $\{6, 4, 7, 10, 4\}$, the value $4$ appears twice; every other value once. So mode $= 4$.
- Trap B ($6$) is the median.
- Trap C ($6.2$) is the mean.
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