Question: a.-c. Repeat Problem 1 using log10(dry weight) as the response. Problem 1 Consider the data of Problem 1, Chapter 5. For the model with dry
Problem 1
Consider the data of Problem 1, Chapter 5. For the model with dry weight as the response and age as the predictor,
a. Examine a plot of the studentized or jackknife residuals versus the predicted values. Are any regression assumption violations apparent? If so, suggest possible remedies.
b. Examine numerical descriptive statistics, histograms, box-and-whisker plots, and normal probability plots of jackknife residuals. Is the normality assumption violated? If so, suggest possible remedies.
c. Examine outlier diagnostics, including Cook's distance, leverage statistics, and jackknife residuals, and identify any potential outliers. What course of action, if any, should be taken when outliers are identified?
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a The residual plot for the log 10 dry weight model looks much more like a random sca... View full answer
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