A sample of 64 observations is selected from a normal population. The sample mean is 215, and
Question:
H0: µ ≤220
H1: µ <220
(a) Is this a one- or two-tailed test?
(b) What is the decision rule?
(c) What is the value of the test statistic?
(d) What is your decision regarding H0?
(e) What is the p-value? Interpret it.
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a Onetailed because the alternatehypothesis indicates a le...View the full answer
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Related Book For 
Statistical Techniques In Business And Economics
ISBN: 356
16th Edition
Authors: Douglas Lind, William Marchal
Question Posted:
