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How would you go about selecting a particular level of significance (α) to conduct a hypothesis test? Provide two considerations that might be useful in guiding your choice.
Calculate expected value for each decision and choose the best one. Find out how much firm would be eager to pay to a market research firm to gain better information about future market conditions.
a box contains four 40-w bulbs five 60-w bulbs and six 75-w bulbs. suppose that three bulbs are randomly selected. what
Find a 99% confidence interval for the difference in the mean number of calls between night and day.
Sugar packaged by a certain machine has a mean weight of 5lb and a standard deviation of 0.02 lb. For what values of c can the manufacturer of the machinery claim that the sugar packaged by this machine has a weight between 5 - c and 5 + c lb with..
Assume the probability of a tire blowout is 0.178% per 50,000 miles of use and that a person travels 15,000 miles per year in a car.
a repeated-measures study comparing two treatments with n 4 participants produces md 2 and ss 75 for the difference
If 15 subjects take a pre-test and a post-test with a mean change score of 1.5, and if the standard deviation of the comparison distribution is calculated to be .5, what is the t score?
Determine whether or not the average age of the evening students is significantly different from 21. Use a 0.1 level of significance.
What is the centered moving average that would correspond to Quarter 2 in 2006? If we exponentially smooth the data with the a smoothing constant of 0.1, the smoothed value for Quarter 3 in 2004 would be?
the proportion of americans who are satisfied with the way things are going in there lives is 0.76. suppose that a
Inmates who are in the state facility and 9 who have legal satisfaction scores of 5 or more. How do determine the probability for this because I have come up weird numbers.
People in a large population average 60 inches tall. You will take a random sample and will be given a dollar for each person in your sample who is over 65 inches tall. Does the law of average relate to the answer you give?
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