A percentage is a fraction with 100 in the denominator. It is represented using the symbol %, which means that \(a\% = \frac{a}{100}\) for any real number \(a\).
To calculate the average percentage:
\[ \text{Average Percentage} = \frac{1}{n} \sum_{i=1}^{n} p_i \]
Where:
Let's take an example to understand the calculation:
Calculations:
\[ \text{Total} = 80 + 80 + 80 + 80 + 40 = 360 \] \[ \text{Average Percentage} = \frac{360}{5} = 72 \]