Tech Manual
For finding Mean, Median, Quartiles, Range on Calculator (TI83/84) Steps to Enter a list Hit Stat key Choose edit Enter data in list 1 (push enter after each value) Clear old data Clearing the old data out is important so you can start new lists. Go to the List Steps: Hit the up arrow Hit Clear Hit Enter
Steps to Use the Info Hit Stat Choose Calc Choose 1: 1-Var Push Enter twice
1-Var Stats Mean Top number listed Scroll down for everything else. They are all listed Do the appropriate math to find the range.
Steps to find Mode Hit the Stat key Choose 2: SortA( Hit 2nd, then hit #1 This enters L1 to be sorted Hit Enter Calculator shows Done The list has been put in order. To look at the ordered list: Hit Stat -- Edit Find mode in list by comparing the numbers of each piece of data.