When you tackle a normal distribution problem in a statistics class, you’re trying to find the area under the curve. The total area is 100% (as a decimal, that’s 1). Normal distribution problems come in six basic types. How do you know that a word problem involves normal ...
Do you need to calculate the standard deviation for a list of numbers? Your TI-84 standard or TI-84 Plus graphing calculator makes it quick and easy find out how much your data varies from the mean (average). We'll show you how to use the 1-var-stats option to calculate various stat...