# Using the Number of Rows for Frequency ## Example |Value|Frequency| |:---:|:-------:| | 5 | 7 | | 6 | 11 | | 7 | 12 | | 8 | 9 | $$ \text{Mean} = \frac{7 \times 5 + 11 \times 6 + 12 \times 7 + 9 \times 8}{4} $$ ## Possible Causes * Confusing the number of distinct values with the number of data points ## Possible Remedies category: mistakes category: statistics