Scatter Plots with Your calculator Section 4-6
Page 636#10
Calculator Set-up One Time Only! Press STAT Option #5 Set up Editor, hit enter and enter again
Clearing Lists Press STAT again Option #4 Clear List (enter) then hit 2 nd L1, L2, L3, L4, L5, L6 (enter)
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)…
Window Range Determine largest and smallest number in each list DO NOT REARRANGE LIST!!! L L
Window Xmin: 60 Xmax: 75 Xscale: 1 Ymin: 110 Ymax: 180 Yscale: 10
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
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
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.
Homework Page 652 #’s 3, 5, 6, 8 and 9