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Calculus with Applications | 10th Edition | ISBN: 9780321749000 | Authors: Margaret L. Lial, Raymond N. Greenwell, Nathan P. Ritchey
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Solution: The following table gives the life expectancy at

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The following table gives the life expectancy at birth of females born in the United States in various years from 1970 to 2005. Source: National Center for Health Statistics.Year of BirthsLife Expectancy (years)197074.7197576.6198077.4198578.2199078.8199578.9200079.3200579.9What will happen if you try linear regression on the residuals? If you’re not sure, use your calculator or software to find the regression equation for the residuals. Why does this result make sense?

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QUESTION:

The following table gives the life expectancy at birth of females born in the United States in various years from 1970 to 2005. Source: National Center for Health Statistics.Year of BirthsLife Expectancy (years)197074.7197576.6198077.4198578.2199078.8199578.9200079.3200579.9What will happen if you try linear regression on the residuals? If you’re not sure, use your calculator or software to find the regression equation for the residuals. Why does this result make sense?

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SOLUTIONStep 1 of 4Here, we have to sketch the graph of a smooth function that fits the residuals well. And we are asked how easy it will be to predict the life expectancy at birth of females born in 2015.

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