A random sample has 49 values. The sample mean is 8.5 and the sample standard deviation is
Question:
(a) 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 H0?
(f) Interpret the results.
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a Yes because the sample size is large enough and is unknown ...View the full answer
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Related Book For 
Understanding Basic Statistics
ISBN: 9781111827021
6th Edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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