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Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021 Exercise 39
Basic Computation: Testing , Unknown A random sample of 25 values is drawn from a mound-shaped and symmetrical distribution. The sample mean is 10 and the sample standard deviation is 2. Use a level of significance of 0.05 to conduct a two-tailed test of the claim that the population mean is 9.5.
(a) Check Requirements Is it appropriate to use a Student's t distribution Explain. How many degrees of freedom do we use
(b) What are the hypotheses
(c) Compute the sample test statistic t.
(d) Estimate the P -value for the test.
(e) Do we reject or fail to reject H 0
(f) Interpret the results.
(a) Check Requirements Is it appropriate to use a Student's t distribution Explain. How many degrees of freedom do we use
(b) What are the hypotheses
(c) Compute the sample test statistic t.
(d) Estimate the P -value for the test.
(e) Do we reject or fail to reject H 0
(f) Interpret the results.
Explanation
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We will perform a two-tailed hypothesis ...
Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
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