?Oscar-Winning Actresses Data Set 14 “Oscar Winner Age” in Appendix B lists ages of
Chapter 8, Problem 3(choose chapter or problem)
Oscar-Winning Actresses Data Set 14 “Oscar Winner Age” in Appendix B lists ages of actresses when they won Oscars, and the summary statistics are \(n=87\), \(\bar{x}=36.2\) years, and \(s=11.5\) years. Use a 0.01 significance level to test the claim that the mean age of actresses
when they win Oscars is greater than 30 years.
Text Transcription:
n=87
\barx=36.2
s=11.5
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