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The your LAST NAME. (b) When you use Statcrunch to calculate atire document. IMPORTANT: The name of your Word document MUST begin rections: (a) Enter all your answers into this Word document and submit the an answer'p co y d paste the results into this document. (c) For questions with answer spaces intified, please enter your answers in those spaces. (d) While putting your wers in a different color font is helpful, please DO NOT use red font since this is color used to provide feedback on your answers.
Suppose we obtained data on vein size after application of a nitroglycerin ointment in a sample of 60 patients. The mean vein size for the sample is found to be 7.8mm with a standard deviation of 2.1. Using t values (because information on the true SEM is not available):
a. What are the confidence limits for a 95% confidence interval?
b. What are the confidence limits for a 99% confidence interval?
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In a pilot.study a new drug was evaluated to determine whether it had any on (i.e., either increased or decreased) resting heart rates (HR) of patients.
a flag is to consist of 6 vertical stripes in yellow green blue orange brown and red. it is not necessary to use all of
A university club consists of 4 men and 6 women. Two members are chosen at random without replacement. Let X = 0 if first person chosen is male, 1 if first person chosen is female. Y = 0 if second person chosen is male, 1 if second person chosen i..
What is the standard error of estimate? Briefly describe how you interpret this statistic. What is the coefficient of determination? What does this statistic tell you?
Would it be sensible to conclude that more than 10% of applicants are now failing the test?
An earlier study claims that U.S. adults spend an average of 114 minutes with their families per day. A recently taken sample of 25 adults showed that they spend an average of 109 minutes per day with their families. The sample standard deviatio..
a television station claims that its monday night movie regularly has 35 percent of the total viewing audience. if this
The owner of a fish market has an assistant who has determined that the weights of catfish are normally distributed, with mean of 3.2 pounds and standard deviation of 0.8 pound. What percentage of samples of 4 fish will have sample means between 3..
By how much does the standard error of x-bar change if the sample is increased to 100?
a recent report by the american medical association stated the average annual salary of psychiatrists is 189121 with a
Write a Matlab program that simulates m runs of the weekly lottery of Problem 5.5.5. For m = 1000 sample runs, form a histogram for the jackpot J
musuppose z is the standardization of x zx-musigma where mu and sigma are the mean and standard deviation of x
An auditor for Health Maintenance Services of Georgia reports 40% of policyholders 55 years or older submit a claim during the year. Fifteen policyholders are randomly selected for company records.
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