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The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers in the manufacturing sector. The hourly wage was $30.67 for China, $20.20 for Australia, and $23.82 for New Zealand. Assume that in all three countries, the
The U.S. Bureau of Labor Statistics released hourly wage figures for various countries for workers in the manufacturing sector. The hourly wage was $30.67 for Switzerland, $20.20 for Japan, and $23.82 for the U.S. Assume that in all three countries, the standard deviation of hourly labor rates is $4.00. Appendix A Statistical Tables a. Suppose 40 manufacturing workers are selected randomly from across Switzerland and asked what their hourly wage is. What is the probability that the sample average will...
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According to the U.S. Bureau of Labor Statistics, all workers in America who had a bachelor’s degree and were employed earned an average of $1234 a week in 2014. A recent sample of 392 American workers who have a bachelor’s degree showed that they earn an average of $1250 per week. Suppose that the population standard deviation of such earnings is $134. a. Find the p-value for the test of hypothesis with the alternative hypothesis that the current mean weekly...