Assignment Task
Exercise 1
Download from the KEATS page of the module and import in R the dataset Darts.csv, which contains data on 91 Archaic dart points recovered during surface surveys at Fort Hood, Texas. These data have been extracted from the R package arch data. The dataset contains the following variables:
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Get Help Now!• Name. Dart point type: Darl, Ensor, Pedernales, Travis, Wells
• Length. Maximum Length (mm)
• Width. Maximum Width (mm)
• Thickness. Maxmimum Thickness (mm)
(a) Using an appropriate model selection strategy and variables transformation if necessary, choose and fit the best linear regression model for Width. This includes checking the model assumptions and fixing obvious issues. Comment on potential issues that you were not able to fix (if any).
(b) What is the predicted Width for a dart of type Travis, Length=50 and Thickness
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