4. Enter the data into a calculator list to find sample standard deviation `s`.

6. Multiply each score by the percent weighting of that assignment.

8. The five-number summary consists of the five numbers used to make the box-and-whisker plot: lowest, `Q`_{1}, `Q`_{2}, `Q`_{3}, highest.

11. This is like #6, except you have to divide the total by the sum of the weights (which was 100% in #6).