A random sample of nn measurements was selected from a population with unknown mean μμ and standard deviation σσ. Calculate a 90% confidence interval for μ for each of the following situations: (a) n=90, x¯¯¯=27, s=3.92n=90, x¯=27, s=3.92 ≤μ≤ (b) n=75, x¯¯¯=48.1, s=3.72n=75, x¯=48.1, s=3.72 ≤μ≤ (c) n=90, x¯¯¯=67.7, s=4.12n=90, x¯=67.7, s=4.12 ≤μ≤
A random sample of nn measurements was selected from a population with unknown mean μμ and standard deviation σσ. Calculate a 90% confidence interval for μ for each of the following situations: (a) n=90, x¯¯¯=27, s=3.92n=90, x¯=27, s=3.92 ≤μ≤ (b) n=75, x¯¯¯=48.1, s=3.72n=75, x¯=48.1, s=3.72 ≤μ≤ (c) n=90, x¯¯¯=67.7, s=4.12n=90, x¯=67.7, s=4.12 ≤μ≤
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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A random sample of nn measurements was selected from a population with unknown mean μμ and standard deviation σσ. Calculate a 90% confidence interval for μ for each of the following situations:
(a) n=90, x¯¯¯=27, s=3.92n=90, x¯=27, s=3.92
≤μ≤
(b) n=75, x¯¯¯=48.1, s=3.72n=75, x¯=48.1, s=3.72
≤μ≤
(c) n=90, x¯¯¯=67.7, s=4.12n=90, x¯=67.7, s=4.12
≤μ≤
(d) n=105, x¯¯¯=100.3, s=3.21n=105, x¯=100.3, s=3.21
≤μ≤
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