Suppose you want to perform a test of H 0 : = 5 versus H a
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Suppose you want to perform a test of H0: μ = 5 versus Ha: μ < 5 at the α = 0.05 significance level. A random sample of size n = 20 from the population of interest yields x¯ = 4.7 and sx = 0.74. Assume that the conditions for carrying out the test are met.
a. Explain why the sample result gives some evidence for the alternative hypothesis.
b. Calculate the standardized test statistic and P-value.
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