24. Survival Times Altman and Bland report the survival times for patients with active hepatitis, half treated

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24. Survival Times Altman and Bland report the survival times for patients with active hepatitis, half treated with prednisone and half receiving no treatment.13 The data that follow are adapted from their data for those treated with prednisone. The survival times are recorded to the nearest month:

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a. Look at the data. Can you guess the approximate shape of the data distribution?

b. Construct a relative frequency histogram for the data.
What is the shape of the distribution?

c. Are there any outliers in the set? If so, which survival times are unusually short?

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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