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What is the alternative hypothesis and p-value

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A random sample of 12 parts from factory A has an average reliability of 4.48 with a sample standard deviation of 3.19. A random sample of 15 products from factory B has an average reliability of 2.36 with a sample Standard deviation of 2.01. Assume the populations are normally distributed and their variances Are not equal. At the 5% significance level, can one conclude the parts from factory B have higher reliability?

What is the alternative hypothesis and p-value?

Reference no: EM132132959

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