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Exponential Regression. Copy the table below your notebook and then graph the points WeekWeight 050 138 230 325 422 520.

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Presentation on theme: "Exponential Regression. Copy the table below your notebook and then graph the points WeekWeight 050 138 230 325 422 520."— Presentation transcript:

1 Exponential Regression

2 Copy the table below your notebook and then graph the points WeekWeight

3 Find an exponential function to fit the data. WeekWeight

4 Exponential Regression The relation between values of x and values of y, from which the value of y can be predicted for any value of x.

5 Entering data into your TI 84

6

7 CLEAR! ENTER!

8 Step 1. Enter the data in the calculator lists. Place the data in L 1 and L 2. STAT, #1Edit, type values into the lists

9 Step 2. Prepare a scatter plot of the data. Set up for the scatterplot. 2 nd StatPlot - the first icon Choose ZOOM #9 ZoomStat.

10 Step 3. Have the calculator determine the line of best fit. STAT → CALC #4 LinReg(ax+b) Include the parameters L 1, L 2, Y 1. (Y 1 comes from VARS → YVARS, #Function, Y 1 )

11 Step 4. Graph the line of best fit. To get a predicted value within the window, hit TRACE, up arrow, and type the desired value.


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