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AP Stats Chapter 3: Regression and Residuals
Residuals and the least-squares regression line. Calculating the equation of the least-squares regression line. Technology: Residual Plots and s on the Calculator. Interpret the slope and y-intercept of a least-squares regression line in context. Explain the concept of least squares. Use technology to find a least-squares regression line.
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[DOC File]AP Statistics Chapter 8 Linear Regression
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Caution: Once you do a linear regression, there is a set of residuals that are stored automatically in the list resid on your calculator. It gets replaced if you run a linear regression on another set of data. You cannot save the residual list. You must run the correct regression before getting the residual plots. 22.
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[DOC File]Topic 9:
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Use the regression line to compute the fitted value and residual for a baboon. (Note: You can look at the table of values to find the fitted value and residuals are automatically calculated by the calculator and stored in a list called Residuals.) Fitted Value: Residual: Interpret the slope coefficient of this regression …
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[DOC File]Statistics Linear Regression Worksheet
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a) Find the least squares regression line. State the equation below and interpret the slope and y-intercept. b) Find and interpret the value of r2. c) Create a residual plot on your calculator. What does this plot tell you about a linear model for this data? How do you know? d) Find and interpret the residual …
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[DOC File]Example of Diagnostics for Residuals
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The result of the steps on the calculator maintenance are shown below. First, separate the residuals into Columns A and B: Group 1 Group 2 -2.41611 6.630872 4.583893 3.630872 5.845638 -6.36913 -2.15436 -0.36913 -2.89262 -3.36913 5.369128 -0.10738 -3.63087 -3.84564 -7.63087 0.154362 4.154362 2.416107
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[DOCX File]Quadratic Regression Using the Nspire Graphing Calculator
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Quadratic Regression Using the Nspire Graphing CalculatorName: _____ We will use the following data to do a regression equation on our graphing calculator: A golf ball is hit down a straight fairway. The following table shows the height of the ball with respect to time.
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Home - Brentsville District High School
Calculate and interpret the residual for the colony that had 52% of the sparrowhawks return and 11 new adults. Use your calculator to make a residual plot. Describe what this graph tells you about the appropriateness of using a linear model.
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Residual regression calculator