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A random sample of 31 waiting times? (in minutes) before patients saw a medical professional in a? hospital's minor emergency department had a variance of 1.69 minutes. After a new admissions procedure was? implemented, a random sample of 30 waiting times had a variance of 0.81 minute. At (alpha) α = 0.10?, can you support the? hospital's claim that the standard deviation of the waiting times has? decreased? Complete parts? (a) through? (e) below.
?(a) Identify the claim and state H0 and Ha. Let σ21 represent the initial variance and σ22 represent the variance for the new process.
?(b) Determine the critical value and the rejection region. What is the critical? F-value?. Round to two decimal places
What is the rejection region for this? F-test?
(c) Calculate the test statistic. Round to two decimal places
(d) Decide whether to reject or fail to reject the null hypothesis.
(e) Interpret the decision in the context of the claim. Can you support the? hospital's claim?
Demonstrate by example about production which exhibits constant returns to scale.
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Why do you think that supervisors are often unwilling to listen to employees' suggestions? Of all the topics discussed in this class, the only one that some students object to is unions.
She has estimated that the price elasticity for the urgent group is smaller (in absolute value) than it is for the convenience group. What price changes should the daughter recommend to her father the plumber?
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You wish to buy a fancy mountain bike. You can either pay $800 cash now, or you can make end-of month payments of $100
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Contrast and compare the differences between Risk Treatment, Risk Avoidance, Risk Mitigation, Risk Acceptance, and Risk Transfer?
The real wage rate, w, is competitively determined to be ten. The number of hours, H, available to the consumer is 24. The profits by, distributed, to each consumer are 200 and taxes, T, are lump sum at 100. (a) Given the above, how much leisure w..
In 2008, inward FDI accounted for some 63.7 percent of gross capital formation in Ireland, but only 4.1 percent in Japan (gross capital formation refers to investments in fixed assets such as factories, warehouses, and retail stores). What do you thi..
The Business Cycle Dating Committee of The National Bureau of Economic Research is the group that defines when the U.S. economy is in a recession or expansion period. The primary determinant of economic activity is real GDP. Calculate the longest tim..
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