Question: The process that produces Sonora Bars a type of candy

The process that produces Sonora Bars (a type of candy) is intended to produce bars with a mean weight of 56 grams (g). The process standard deviation is known to be 0.77g. A random sample of 49 candy bars yields a mean weight of 55.82 g.
(a) State the hypotheses to test whether the mean is smaller than it is supposed to be.
(b) What is the test statistic?
(c) At α = .05, what is the critical value for this test?
(d) What is your conclusion?

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  • CreatedAugust 19, 2015
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