Levels Tought:
University
Teaching Since: | Apr 2017 |
Last Sign in: | 347 Weeks Ago, 5 Days Ago |
Questions Answered: | 9562 |
Tutorials Posted: | 9559 |
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
The manufacturer of a machine to package soap powder claimed that her machine could load cartons at a given weight with a range of no more than .4 ounce. The mean and variance of a sample of eight 3-pound boxes were found to equal 3.1 and .018, respectively. Test the hypothesis that the variance of the population of weight measurements is σ2 = .01 against the alternative that σ2 > .01.
a Use an α = .05 level of significance. What assumptions are required for this test?
b What can be said about the attained significance level using a table in the appendix?
c Applet Exercise What can be said about the attained significance level using the appropriate applet?
Â
-----------