=+the disease) for the approximately 700,000 soldiers sent to the Gulf between August 1990 and July 1991

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=+the disease) for the approximately 700,000 soldiers sent to the Gulf between August 1990 and July 1991 was compared to the incidence rate for the approximately 1.8 million other soldiers who were not in the Gulf during this time period. Based on these data, explain why it is not appropriate to perform a formal inference procedure (such as the two-sample z test) and yet it is still reasonable to conclude that the incidence rate is higher for Gulf War veterans than for those who did not serve in the Gulf War.

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Statistics The Exploration And Analysis Of Data

ISBN: 9781111804138

6th Edition

Authors: John M Scheb, Jay Devore, Roxy Peck

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