Altman and Bland report the survival times for patients with active hepatitis, half treated with prednisone and half receiving no treatment.7 The data that follow are adapted from their data for those treated with prednisone. The survival times are recorded to the nearest month:

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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87 27 147 93 133 48 157 57 109 42 162 165 1 97 139 65 120 144