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In a nationwide survey of 1000 companies with more than 50 employees, managers were asked to rank

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In a nationwide survey of 1000 companies with more than 50 employees, managers were asked to rank various factors that influence their decisions in hiring employees. Each factor was ranked on a scale of 1 to 10, with 1 being not important and 10 being very important. The factor "educational background" received a mean ranking of 7.2.;? Is the sample mean of 7.2 exactly the same as the population mean?;? If another sample of 1000 companies is taken, do you expect the sample mean to be 7.2 again? Why or why not?;? Repeating this experiment many times with different samples, what values for the sample means would be possible? What values would repeat more often?;question 2.;Many articles published in newspapers, magazines, etc., present statistical data and list margins of error (for example, reports on political opinion polls, growth or decline of the housing markets, manufacturing sectors, etc.). Find one such article from a reliable source that does include a construction of confidence intervals for the data studied, and give a summary of the topic and the statistical results presented. In particular, discuss whether there is enough information presented in the article to arrive at the same conclusion as reported. Although it is not necessary, it would be best to choose an article related to the topic of your Final Paper.

 

Paper#32472 | Written in 18-Jul-2015

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