Question: Given the information in Exercise 10.27, construct a 95% confidence interval for the population mean, then reach a conclusion regarding whether could actually be
In exercise
For a sample of 35 items from a population for which the standard deviation is σ = 20.5, the sample mean is 458.0. At the 0.05 level of significance, test H0: μ = 450 versus H1: μ ≠ 450.
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From exercise 1027 4580 s 205 n 35 the critical z values for a twotail ... View full answer
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