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Test of hypothesis to test the conjecture

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Reference no: EM131870311

A random sample of size n = 40 obtained from a normally distributed population with unknown mean µ yielded = 26.7 and standard deviation s = 6. Prior to obtaining the sample, the mean was conjectured to be at least 28. Perform a test of hypothesis to test the conjecture at the α = .01 level of significance.

Reference no: EM131870311

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