Assuming the population has an approximate normaldistribution, if a sample size n = 31 has a sample meanx = 30 with a sample standard deviation s = 6, find themargin of error at a 95% confidence level. Round theanswer to two decimal places.Hint: E=1(Upper Bound - Lower Bound)

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Answered: Assuming the population has an…

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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Assuming the population has an approximate normal distribution, if a sample size n = 31 has a sample mean x = 30 with a sample standard deviation s = :6, find the margin of error at a 95% confidence level. Round the answer to two decimal places. Hint: E = 1 (Upper Bound - Lower Bound) 2