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Chapter 10 Re-expressing the data

Chapter 10 Re-expressing the data

Chapter 10 Re-expressing the data. math2200. If the relationship is nonlinear. We may re-express the data to straighten the bent relationship . Common ways to re-express data Logarithms of the response variable or the explanatory variable, or both. S quare root of the response variable.

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430 views • 28 slides
Chapter 10 Re-expressing the data

Chapter 10 Re-expressing the data

Chapter 10 Re-expressing the data. If the relationship is nonlinear. We may re-express the data to straighten the bent relationship so that we can fit and use a simple linear model Simple ways to re-express data Logarithms square root reciprocals. Straight to the Point (cont.).

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280 views • 27 slides
Chapter 10: Re-Expressing Data: Get it Straight

Chapter 10: Re-Expressing Data: Get it Straight

Chapter 10: Re-Expressing Data: Get it Straight. AP Statistics. Weight vs. Fuel Efficieny. Describe the relationship. How accurate is the model? The R-squared value is 81.6% Is the model appropriate for the data? Look at residual plot. Residual Plot .

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354 views • 20 slides
Chapter 10: Re-Expressing Data: Get it Straight

Chapter 10: Re-Expressing Data: Get it Straight

Chapter 10: Re-Expressing Data: Get it Straight. AP Statistics. Weight vs. Fuel Efficieny. Describe the relationship. How accurate is the model? The R-squared value is 81.6% Is the model appropriate for the data? Look at residual plot. Residual Plot.

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322 views • 18 slides
Chapter 10

Chapter 10

Chapter 10. Re-expressing Data: Get It Straight!. Straight to the Point. We cannot use a linear model unless the relationship between the two variables is linear Often re-expression can save the day Two simple ways to re-express data are. Straight to the Point (cont.).

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324 views • 18 slides
9.5: Re-Expression of Curved Relationships

9.5: Re-Expression of Curved Relationships

9.5: Re-Expression of Curved Relationships. Objective : To determine whether or not a curved relationship can be salvaged and re-expressed into a linear relationship. If so, complete the re-expression. Re-Expressing Data.

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263 views • 16 slides

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