Normal population produced the mean
A random sample of size n=9 from normal population produced the mean x bar = 9 and the standard deviation s = 1.5. Obtain a 95% confidence interval for μ and test H0 =μ = 10 against H1 = μ doesn't equal 10 based upon confidence interval.
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Is the claim that µ > 3.5 substantiated by these data? To answer the question, formulate the null and alternative hypotheses, calculate the test statistic, find the p-value and then make your conclusions.
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