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Published bySilas Rogers Modified over 9 years ago
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Plotting Data & the Finding Regression Line
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Clear Old Data 2 nd MEM 4 ENTER
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Turn on the Regression Feature 2 nd CATALOG D … ENTER
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Input the Data STAT 1 Use the arrows and numbers to input your data.
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Turn the Data Plot On 2 nd STAT PLOT Confirm Plot 1 is On, If not: ENTER To double-check: 2 nd STAT PLOT
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Check the Plot GRAPH Does it need fixing?
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Change the Viewing Window WINDOW Use the arrows and numbers to change the window. Consider your data as you choose which numbers to use.
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Erase Old Equations Y = Use the arrows and CLEAR to erase old equations.
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Check the Plot – Much Better! GRAPH
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Find the Regression Line STAT (CALC) 4 ENTER
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Add the Regression Line Y = Add the equation for the regression line. GRAPH
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