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Accounting procedures allow a business to evaluate their inventory at LIFO (Last In First Out) or FIFO (First In First Out). A manufacturer evaluated its finished goods inventory (in $ thousands) for five products both ways. Based on the following results, is LIFO more effective in keeping the value of his inventory lower? Product FIFO LIFO. What is the null hypothesis?
What is the value of the slope of the least squares regression line for these data? Round your answer to at least four decimal places.
Suppose that $532,000 is to be allocated for advertising, research, and investment in the ratio 8:7:4. How much money will be allocated for each?
Assume there're three states of the economy: boom, moderate growth, and recession. The annual return on company A stock and company B stock in each state of the economy is given below
Data are recorded on effects of each drug. Is research division by using dependent or independent samples? Explain why?
A soft drink machine outputs a mean of 24 ounces per cup. the machines output is normally distributed with a standard deviation of 2 ounces. what is the probability of filling a cup between 21 and 26 ounces.
Using the original data, estimate the population standard deviation with 90% probability.
Discuss the main assumption for using a chi-square test. Find a research article that uses chi-square and explain why it was the right test and how the assumption plays into it.
Clearly identify the independent and dependent variables you would study. Determine whether a one-tail or two-tail test is most appropriate and explain why. Generate a testable null statistical hypothesis and an alternative statistical hypothesis.
The mean of a normal distribution probability is 400 pounds. The standard deviation is 10. What is the area between 415 pounds and the mean of 400 pounds? (Round to 4 decimals)
A sample of n=20 has a mean of M = 40. If the standard deviation is s=5, would a score of X= 55 be considered an extreme value? Why or why not?
Derive the probability distribution of the completion times - For each of the distribution in (i) above, calculate their relevant statistics. A task is known to have the following time to completion
The manager of a Farmer Jack Super Market would like to know if there is a preference for the day of the week on which customers do their shopping.
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