1. For Salks data stored in the file salk_dat.txt, compare the two groups using the weighted KolmogorovSmirnov...

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1. For Salk’s data stored in the file salk_dat.txt, compare the two groups using the weighted Kolmogorov–Smirnov test. Plot the shift function and its 0.95 confidence band. Compare the results with the unweighted test.

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