Sine Waves Part II: Data Analysis.

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Presentation transcript:

Sine Waves Part II: Data Analysis

Setting Up In the Mode Menu, turn RADIANS on! Clear any equations or lists from your calculator to start! From the Y= list From STAT lists Turn Stat Plots OFF In the Mode Menu, turn RADIANS on!

Enter the Data Press the  button Choose Edit… to enter the data Enter your data into L1 and L2

Setting up your Plot To Get into the Stat Plot Menu, press  . Select Plot1 Press enter on ‘On’

Graphing Your Stats Press ZOOM Choose ZoomStat (9) – this will change your window settings to fit all of the data in AND graph it!

(This is called a sinusoidal regression) Fitting an Equation (This is called a sinusoidal regression) Press the  button and cursor over  to the Calc menu Cursor down to C:SinReg Press Enter Enter the list names that contain your data, separated by a comma (For L1 press ) To tell it where to store the equation, press  for Y-Vars and then  for functions, and then choose Y1

Press Graph! Now that you’ve got a curve of best fit, you no longer need the data. Turn the stat plot OFF ( to get into the stat plot menu) and then press  again. Now you are ready to answer questions about your graph!

That’s it for now!