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July 31, 2015

Homework Help: Stats

Posted by Jennifer on Friday, April 24, 2009 at 2:18am.

A sample of 27 blue M&Ms has a mean weight of 0.8560 grams. Assume that is known to be 0.0565 g. Consider a hypothesis test that uses a 0.05 significance level to test the claim that the mean weight of all M&Ms is equal to 0.8535 grams (the weight necessary so that bags of M&Ms have the weight printed on the package).

a)What is the test statistic?
b)What is the critical value.
c)What is the P-value?
d)What is the conclusion about the null hypothesis (reject, fail to reject)?
e)Give the final conclusion in simple non-technical terms.

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