Plotting Data & the Finding Regression Line. Clear Old Data 2 nd MEM 4 ENTER.

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Presentation transcript:

Plotting Data & the Finding Regression Line

Clear Old Data 2 nd MEM 4 ENTER

Turn on the Regression Feature 2 nd CATALOG D  … ENTER

Input the Data STAT 1 Use the arrows and numbers to input your data.

Turn the Data Plot On 2 nd STAT PLOT Confirm Plot 1 is On, If not: ENTER To double-check: 2 nd STAT PLOT

Check the Plot GRAPH Does it need fixing?

Change the Viewing Window WINDOW Use 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