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Factory Strike In 2010, the laborers of a major factory in Australia went on strike. At that time, the average salary of a laborer was AU$ 21.60 per hour, and the median salary was AU$ 20.00.
If you were representing the owners, which summary would you use to convince the public that a strike was not needed?
If you were representing the laborers, which would you use? Why was there a discrepancy between the mean and median hourly rates? Explain.
Answer these three questions and show all your work and use the z-table that is in the back of all statistic book 1) Suppose you know that adult female height is normally distributed and the mean is 65 inches with a std dev of 1.2 inches. What is th..
If random sample of 9 loads is selected for weight check, determine probability that mean weight of those loads is more than 40.60 tons.
Compare your best difference to the result from an ordinary two-sample t-test between these groups. Comment the difference.
The incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard deviation $150. What percentage of trainees earn less than $900 a month?
a usa snapshot titled are you getting a summer job? interviews with high school students produced the following.49
The university data center has two main computers. The center wants to examine whether computer 1 is receiving tasks that require processing times comparable to those of computer 2.
Suppose that a null hypothesis, in words, is that the mean weight for the population of newborn babies is the same in the United States as it is in England.
in order to compare the means of two populations independent random samples of 400 observations are selected from each
suppose that incoming calls per hour to a customer service center of a small credit union are uniformly distributed
One of the most difficult tasks of developing and managing a global portfolio is assessing the risks of potential foreign investments. Duke University researcher C. R. Henry collaborated with two First Chicago Investment Management Company directo..
Mark makes it a policy not to buy bananas unless the price is 33 cents or less per pound. What proportion of the time would he buy bananas?
If the least squares equation for sales data going from 1984 to 1990 is Y1 = 10 + 1.3X (in $ millions) found using the coded method, what is the plot on the straight line for 1988? (x and y values)
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