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(Solved): Barron's reported that the average number of weeks an individual is unemployed is 18.5 weeks. Assume ...



Barron's reported that the average number of weeks an individual is unemployed is 18.5 weeks. Assume that for the population of all unemployed individuals the population mean length of unemployment is 18.5 weeks and that the population standard deviation is 5.5 weeks. Suppose you would like to select a sample of 75 unemployed individuals for a follow-up study. Use z-table. a. Show the sampling distribution of \bar{x} , the sample mean average for a sample of 75 unemployed individuals. E(\bar{x} )=( to 1 decimal ) \sigma _(\bar{x} )=\Theta _((to 2 decimals ))


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