Using the Body Fat data set, fit a simple linear regression model for relating body density (????)
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Using the Body Fat data set, fit a simple linear regression model for relating body density (????) to abdomen circumference (????). Then,
(a) use the residuals to check the regression assumptions.
(b) provided the regression assumptions appear to be satisfied, test whether or not there is a linear relationship between body density and abdomen circumference.
(c) estimate the mean body density for an adult male having an abdomen circumference of 100 cm.
(d) compute a 95% confidence interval for the mean body density for an adult male having an abdomen circumference of 100 cm.
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Related Book For
Applied Biostatistics For The Health Sciences
ISBN: 9781119722694
2nd Edition
Authors: Richard J. Rossi
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