TRIGONOMETRIC FUNCTIONS Sinusoidal Regression (Page 6 of 10)

Now we need to set an appropriate window for graphing the data. Use the data itself as a guide. Since the x-values in this example range from 6 to 14, let's set Xmin=5, Xmax=15 and Xscl=1. For y, the values range from 656 to 1297, so we might use Ymin=500, Ymax=1500 and Yscl=100.

 WINDOW key.

 5 ENTER key. 15 ENTER key. 1 ENTER key. 500 ENTER key. 1500 ENTER key. 100 ENTER key.

Calculator screen image.
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