Statistics

danmarnie5

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Feb 6, 2006
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This is a problem that was posted for my assignment and I have no idea how to do it. Can anyone help?



You will be asked to determine the correct decision (Reject Ho or Fail to
Reject Ho) for each of the following tests of hypotheses. (2 points each)
a. A hypothesis test at the 0.025 level of significance with a p-value for
the sample of 0.0075.
b. A hypothesis test at the 0.01 level of significance with a p-value for
the sample of 0.0122.
c. A two-tailed hypothesis test at the 0.10 level of significance where
the initial probability calculated for the test statistic is 0.047. (Don’t
forget to make the adjustment needed for the two tailed test.)
d. A two-tailed hypothesis test with critical values of ±2.33 and a test
statistic for the sample of -2.56.
e. A one tailed hypothesis test with a critical value of 1.383 and a test
statistic for the sample of 1.625.
f. A one tailed hypothesis test with a critical value of -1.648 and a test
statistic for the sample of -1.023.
 
Reject the hypothesis if the p-value is less than the significance level, or the test statistic is outside the critical values.

Show your work/thoughts; but if you really have no idea, check out your textbook.
 
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