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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
12.14 a. To test the following hypotheses, a statistics practitioner randomly sampled 100 observations and found x = 106 and s = 35. Calculate the test statistic (and for Excel users, the p-value) of a test to determine whether there is enough evidence at the 1% significance level to infer that the alternative hypothesis is true.
H0: m = 100
H1: m 7 100
b. Repeat part (a) with s = 25.
c. Repeat part (a) with s = 15.
d. Discuss what happens to the t-statistic (and for Excel users, the p-value) when the standard devi- ation decreases.
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