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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≤

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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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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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