Open Microsoft Excel and list your data in column A. As an example, you might list your 30 students' grades from cells A1 through A30. List the data ranges in which the frequencies should be ...

Drawing a box plot from a cumulative frequency graph is straightforward as long as the median and quartiles have been found. The guideline for median, lower quartile and upper quartile can be used ...

If you wish to calculate CPI in Excel and create its graph, please read through this article. Note : While creating this article, we are assuming the purchased quantity of products to be constant ...