While Excel is useful for many applications, it is an indispensable tool for those managing statistics. Two common terms used in statistics are Standard Deviation and ...

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 ...