Survival Times Altman and Bland report thesurvival times for patients with active
Chapter 2, Problem 51(choose chapter or problem)
Survival Times Altman and Bland report thesurvival times for patients with active hepatitis, halftreated with prednisone and half receiving no treatment.12The survival times (in months) (Exercise 1.25and EX0125) are adapted from their data for thosetreated with prednisone.8 87 127 14711 93 133 14852 97 139 15757 109 142 16265 120 144 165a. Can you tell by looking at the data whether it isroughly symmetric? Or is it skewed?b. Calculate the mean and the median. Use thesemeasures to decide whether or not the data aresymmetric or skewed.c. Draw a box plot to describe the data. Explain whythe box plot confirms your conclusions in part b.
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