Concept explainers
In Problems 13-19. assume that the population of x values has an approximately
Wildlife: Mountain Lions How much do wild mountain lions weigh?
The 77th Annual Report of the New Mexico Department of Game and Fish. edited by Bill Montoya, gave the following information. Adult wild mountain lions (18 months or older) captured and released for the first time in the San Andres Mountains had the following weights (pounds):
68 104 128 122 60 64
(a) Use a calculator with mean and sample standard deviation keys to verify that
(b) Find a 75% confidence interval for the population average w eight µ of all adult mountain lions in the specified region.
(c) Interpretation What does the confidence interval mean in the context of this problem?
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Chapter 8 Solutions
Understanding Basic Statistics
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