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A hypothesis will be used to test that a population mean equals 5 against the al...
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A hypothesis will be used to test that a population mean equals 5 against the alternative that a population mean is less than 5 with known variance. What is the critical value for the test statistic t0 for the following significance level: α=0.05 and n=15.Let t0.05;14=1.761; t0.05;15=1.753
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