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Mathematics, 05.05.2020 11:03 brownvester44
Find the 90% confidence interval for the population standard deviation given the following.
n = 51, x = 11.49, s = 2.34 and the distribution is normal.
a. 1.92 < σ < 3.25
b. 2.01 < σ < 2.81
c. 1.37 < σ < 1.91
d. 10.28 < σ < 14.32
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Find the 90% confidence interval for the population standard deviation given the following.
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