How much do wild mountain lions weigh? Adult wild mountain lions (18 months or older) captured and released for the first time in the San Andres Mountains gave the following weights (pounds): 71 110 129 122 60 64

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How much do wild mountain lions weigh? Adult wild mountain lions (18 months or older) captured and released for the first time in the San Andres Mountains gave the following weights (pounds):

71 110 129 122 60 64
How much do wild mountain lions weigh? Adult wild mountain lions (18 months or older) captured and released for the first time in
the San Andres Mountains gave the following weights (pounds):
71 110 129 122 60 64
In USE SALT
Assume that the population of x values has an approximately normal distribution.
(a) Use a calculator with mean and sample standard deviation keys to find the sample mean weight x and sample standard
deviation s. (Round your answers to four decimal places.)
X =
Ib
S =
Ib
(b) Find a 75% confidence interval for the population average weight u of all adult mountain lions in the specified region.
(Round your answers to one decimal place.)
Ib
Ib
lower limit
upper limit
Transcribed Image Text:How much do wild mountain lions weigh? Adult wild mountain lions (18 months or older) captured and released for the first time in the San Andres Mountains gave the following weights (pounds): 71 110 129 122 60 64 In USE SALT Assume that the population of x values has an approximately normal distribution. (a) Use a calculator with mean and sample standard deviation keys to find the sample mean weight x and sample standard deviation s. (Round your answers to four decimal places.) X = Ib S = Ib (b) Find a 75% confidence interval for the population average weight u of all adult mountain lions in the specified region. (Round your answers to one decimal place.) Ib Ib lower limit upper limit
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