Question: 9.Download the AsthmaLOS.txt data from the book website ( http://extras.springer.com ). Read the description of variables provided in Sect.2.5 . Using R-Commander, identify data entry

9.Download the "AsthmaLOS.txt" data from the book website ( http://extras.springer.com ). Read the description of variables provided in Sect.2.5 . Using R-Commander, identify data entry errors for race and owner.type . Remove the corresponding observations (i.e., rows) from the data set. Plot the histogram age and comment on its shape. For this variable, find the mean, variance, range, and IQR.

10.Upload the Animals data from the MASS package. This data set includes average brain and body weights for 28 species of land animals. Plot the histograms of the two numerical variables. Next, use the log transformation for both variables and plot the histograms again. Comment on the shapes of these new histograms.

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