For a large supermarket chain in Florida, a womens group claimed that female employees were passed over
Question:
a. In a significance test, the random sampling assumption is the claim of the company. In defining hypotheses, explain why this companys claim of a lack of gender bias is a no effect hypothesis. State the null and alternative hypotheses for a test to investigate the strength of evidence to support the womens claim.
b. The table shows results of using MINITAB to do a large-sample analysis. Explain why the large-sample analysis is justified, and show how software obtained the test statistic value.
c. To what alternative hypothesis does the P-value in the table refer? Use it to find the P-value for the alternative hypothesis you specified in part a, and interpret it.
d. What decision would you make for a 0.05 significance level? Interpret.
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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