Refer to Data Set 11 in Appendix B for the
Refer to Data Set 11 in Appendix B for the ages of actresses at the time that they won Oscars in the category of Best Actress. Use a 0.05 significance level to test the claim that the median age of Oscar-winning actresses is equal to 30 years.
Refer to the indicated data set in Appendix B and Use the sign test for the claim about the median of a population.
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