Question: Working at Home. According to the U.S. Bureau of Labor Statistics publication News, self-employed persons with home-based businesses work a mean of 23 hours per week at home with a standard deviation of 10 hours.

1. Identify the population and variable.
2. For samples of size 100 , find the mean and standard deviation of all possible sample mean hours worked per week at home.
3. Repeat part (b) for samples of size 1000 .

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