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--- b:head_first_statistics:measuring_central_tendency [2024/09/09 08:47] – [Ugliness of mean and median] hkimscil
+++ b:head_first_statistics:measuring_central_tendency [2024/09/09 09:50] (current) – [mean] hkimscil
@@ Line 31: / Line 31: @@
 \begin{equation*}
 \begin{split}
-\mu = \frac{\sum\limits_{}^{} \text{fx}}{\sum{\text{f}}}
+\mu = \frac{\sum\limits_{}^{} \text{fx}}{\sum{\text{f.nothing}}}
     = \frac{1 \text{x} 19 + 3 \text{x} 20 + 1 \text{x} 21}{5}
 \end{split}