42. In a study to investigate the extent to which individuals are aware of industrial odors in a certain region

( Annoyance and Health Reactions to Odor from Re neries and Other Industries in Carson, California, Environ. Res., 1978: 119—132), a sample of individuals was obtained from each of three different areas near industrial facilities. Each individual was asked whether he or she noticed odors (1) every day,

(2) at least once/week, (3) at least once/month, (4)

less often than once/month, or (5) not at all, resulting in the data and output from SPSS on page 74.

State and test the appropriate hypotheses