A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to perform the required hypothesis test about the mean, µ, of the population from which the sample was drawn. Use the critical-value approach. 9) x = 40.9, s = 6.5, n = 15, Ho :P = 32.6, H : p 32.6, a = 0.05. a

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8) x = 20.5, n = 11,o = 7.1, H0: µ = 18.7; Ha: H = 18.7, a = 0.01
A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to perform the required
hypothesis test about the mean, µ, of the population from which the sample was drawn. Use the critical-value
approach.
9) x = 40.9, s = 6.5, n = 15, Hn :H = 32.6, H: p =32.6, a = 0.05.
%3D
Find the confidence interval specified.
had a
of 16 ounces. Assume that o = 3.5 ounces.
Transcribed Image Text:8) x = 20.5, n = 11,o = 7.1, H0: µ = 18.7; Ha: H = 18.7, a = 0.01 A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to perform the required hypothesis test about the mean, µ, of the population from which the sample was drawn. Use the critical-value approach. 9) x = 40.9, s = 6.5, n = 15, Hn :H = 32.6, H: p =32.6, a = 0.05. %3D Find the confidence interval specified. had a of 16 ounces. Assume that o = 3.5 ounces.
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