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Scatter Plots with Your calculator Section 4-6

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Page 636#10

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Calculator Set-up One Time Only! Press STAT Option #5 Set up Editor, hit enter and enter again

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Clearing Lists Press STAT again Option #4 Clear List (enter) then hit 2 nd L1, L2, L3, L4, L5, L6 (enter)

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Entering Numbers Press STAT: #1 EDIT : under L1, type the first number (enter), type second number (enter)… Right arrow over to Column L2, type first number (enter), type second number (enter)…

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Window Range Determine largest and smallest number in each list DO NOT REARRANGE LIST!!! L1 62 ---- 73 L2 115----168

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Window Xmin: 60 Xmax: 75 Xscale: 1 Ymin: 110 Ymax: 180 Yscale: 10

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Scatter Plots Hit 2 nd and Y= (Stat Plot) 1: (enter) ON Type: 1 st Option X list: L1 Y list: L2 Mark: BOX Graph

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Line of Best fit Hit STAT: Arrow to the right to the CALC heading #4 Linreg(ax+b) enter Linreg(ax+b) L1, L2 a is the slope b is the y intercept

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Check Hit Y= Type in your Y=ax+b in the Y1 Make sure that it is the line of best fit and follows the pattern of the points.

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Homework Page 652 #’s 3, 5, 6, 8 and 9

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