Question

A manufacturer claims that the mean weight of flour in its
32-ounce bags is 32.1 ounces. A T-Test is performed to determine
whether the mean weight is actually less than this. The mean weight
for a random sample of 45 bags of flour was 30.7 ounces with a
standard deviation of 2.5 ounces. Test the claim at the 5%
significance level.

a) Check the assumptions:

b) Hypotheses (State in symbols and in words):

Ho:

Ha:

c) Test Statistic: d) Sketch:

e) P-Value: f) Conclusion:

Answer #1

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