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What is the mean of the distribution of sample means? = μx ft What is the standard deviation of the distribution of sample means (i.e., the standard error in estimating the mean)?

What is the mean of the distribution of sample means? = μx ft What is the standard deviation of the distribution of sample means (i.e., the standard error in estimating the mean)?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Let X represent the full height of a certain species of tree. Assume that X has a normal probability distribution with u = 185.6 ft and o = 63.5 ft. You intend to measure a random sample of n = 142 trees. What is the mean of the distribution of sample means? μx = ft What is the standard deviation of the distribution of sample means (i.e., the standard error in estimating the mean)? (Report answer accurate to 2 decimal places.) Ox = ft Submit Question
Transcribed Image Text:Let X represent the full height of a certain species of tree. Assume that X has a normal probability distribution with u = 185.6 ft and o = 63.5 ft. You intend to measure a random sample of n = 142 trees. What is the mean of the distribution of sample means? μx = ft What is the standard deviation of the distribution of sample means (i.e., the standard error in estimating the mean)? (Report answer accurate to 2 decimal places.) Ox = ft Submit Question
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