ved An entire population of anole lizards on an island has an average length of 13.5cm with a known population variance of 4.9. What is the 95% confidence interval of a group of lizards from with population with n=20? O {12.46, 14.53} O (12.53, 14.47} O (12.64, 14.36} Which of the following statements are true regarding the z and t distribution? a 95% confidence interval constructed from a t-distribution will typically be wider than that from a z-distribution the t-distribution is constructed from a known population standard deviation O the z-distribution is used on one-sample t-tests O the z-distribution is constructed from an estimated sample standard deviation

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Jdvea
An entire population of anole lizards on an island has an average length of
13.5cm with a known population variance of 4.9. What is the 95%
confidence interval of a group of lizards from with population with n=20?
O (12.46, 14.53}
O (12.53, 14.47}
O (12.64, 14.36}
Which of the following statements are true regarding the z and t
distribution?
a 95% confidence interval constructed from a t-distribution will typically
be wider than that from a z-distribution
the t-distribution is constructed from a known population standard
deviation
the z-distribution is used on one-sample t-tests
O the z-distribution is constructed from an estimated sample standard
deviation
Transcribed Image Text:Jdvea An entire population of anole lizards on an island has an average length of 13.5cm with a known population variance of 4.9. What is the 95% confidence interval of a group of lizards from with population with n=20? O (12.46, 14.53} O (12.53, 14.47} O (12.64, 14.36} Which of the following statements are true regarding the z and t distribution? a 95% confidence interval constructed from a t-distribution will typically be wider than that from a z-distribution the t-distribution is constructed from a known population standard deviation the z-distribution is used on one-sample t-tests O the z-distribution is constructed from an estimated sample standard deviation
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