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Sine Waves

Sine Waves. Part II: Data Analysis. In the Mode Menu, turn RADIANS on!. Setting Up. Clear any equations or lists from your calculator to start! From the Y= list From STAT lists Turn Stat Plots OFF. Enter the Data. Press the  button Choose Edit… to enter the data

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Sine Waves

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  1. Sine Waves Part II: Data Analysis

  2. In the Mode Menu, turnRADIANSon! Setting Up • Clear any equations or lists from your calculator to start! • From the Y= list • From STAT lists • Turn Stat Plots OFF

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

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

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

  6. 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 Enter

  7. 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!

  8. That’s it for now!

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