Suppose that you wish to test a researcher’s claim that the mean of a normally distributed populatio
Question: Suppose that you wish to test a researcher’s claim that the mean of a normally distributed population has increased from its commonly accepted value of 1.60. To carry out this test, you obtain a random sample of size 150 from this population. This sample yields a mean of 1.80 and a standard deviation of 1.30. What is the appropriate null and alternative hypothesis? Is this a one tailed or two tailed test?
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Deliverables: Word Document![](/images/msword.png)
Deliverables: Word Document
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