Polluted Seawater Petroleum pollution in seas and oceans stimulates the growth of some types of bacteria. A count of petroleumlytic micro-organisms (bacteria per 100 milliliters) in 10 portions of seawater gave these readings:
49, 70, 54, 67, 59, 40, 61, 69, 71, 52
a. Guess the value for s using the range approximation.
b. Calculate ̅x and s and compare with the range approximation of part a.
c. Construct a box plot for the data and use it to describe the data distribution.
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