Ti 84 Data & Regression Lines
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Plotting Data & the Finding Regression Line
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Transcript of Ti 84 Data & Regression Lines
Plotting Data &the Finding Regression Line
Clear Old Data• 2nd
• MEM• 4• ENTER
Turn on the Regression Feature• 2nd
• CATALOG• D• …• ENTER• ENTER
Input the Data• STAT• 1Use the arrows and numbers to input your data.
Turn the Data Plot On• 2nd • STAT PLOTConfirm Plot 1 is On,If not:• ENTER• ENTERTo double-check:• 2nd • STAT PLOT
Check the Plot• GRAPHDoes it need fixing?
Change the Viewing Window• WINDOWUse the arrows and numbers to change the window.Consider your data as you choose which numbers to use.
Erase Old Equations• Y =Use the arrows and CLEAR to erase old equations.
Check the Plot – Much Better!• GRAPH
Find the Regression Line• STAT• (CALC)
• 4• • ENTER
Add the Regression Line• Y =Add the equation for the regression line.• GRAPH
