Using Microsoft Excel you can create charts based on the data and formulas entered in a worksheet. Enter a sample range of numbers in Excel as if you were at an event asking people their ages, for ...

When reviewing cash flow data for your small business, knowing the standard deviation can help you determine if the numbers are out of whack. Calculating standard deviation manually can be ...

How to use this data set in a class: This is a good data set to use in a discussion of feeding "strategies," e.g., trade-offs for predators vs. herbivores. The data concern energy balances in animals ...