The following data refers to airborne bacteria count (numberof colonies/ft3) both for
Chapter 9, Problem 90(choose chapter or problem)
The following data refers to airborne bacteria count (numberof colonies/ft3) both for carpeted hospitalrooms and for uncarpeted rooms (Microbial AirSampling in a Carpeted Hospital, J. of EnvironmentalHealth, 1968: 405). Does there appear to be a differencein true average bacteria count between carpeted anduncarpeted rooms?Carpeted 11.8 8.2 7.1 13.0 10.8 10.1 14.6 14.0Uncarpeted 12.1 8.3 3.8 7.2 12.0 11.1 10.1 13.7Suppose you later learned that all carpeted rooms were ina veterans hospital, whereas all uncarpeted rooms were in achildrens hospital. Would you be able to assess the effect ofcarpeting? Comment.
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