5. You have been asked to monitor the daily fluctuations in atmospheric ozone in the downtown
area of a city to determine if there is relationship
between daily traffic patterns and ozone levels. (a)
Which of the following sampling plan will you use:
random, systematic, judgmental, systematic–
judgmental, or stratified? (b) Do you plan to collect
and analyze a series of grab samples, or will you
form a single composite sample? (c) Will your
answers to these questions change if your goal is to
determine if the average daily ozone level exceeds a
threshold value? If your answer is yes, then what is
your new sampling strategy?
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