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Name the variables in each description of data, then identify whether they are quantitative or categorical. For each quantitative variable name a likely unit of measure. An article comparing the value of several popular Caribbean resorts collected the following data: price per night, amenities (pool, weight room, etc.), whether the resort was all inclusive or not, location (beach, inland, etc.), average room size (square feet), and resort size (acres).
Consider a level α = .10 test of H0 (8.1) versus the alternative τ > 0 based on K. How many bivariate observations (n) will we need to collect in order to have approximate power at least .95 against an alternative for which τ = .6?
more than 50 million guests stayed at bed and breakfasts bampbs last year. the web sitenbsp for the bed and breakfast
Develop a 95% confidence interval using data from this study. 2. Perform a hypothesis testing using data from this study. (show all the the appropriate steps). 3. Suggest another statistical technique(s) for the purpose of this study.
Suppose that officials in the federal government are trying to determine the likelihood of a major smallpox epidemic in the United States.
What are the limitations and assumptionbs of the t-test? What are some examples in your field (Nursing) for which you might use a t-test to compare a sample to the population and why?
A national survey found that 17% Of Australians consume milk with their breakfast. However, in Victoria, a large milk producer believes that more than 17% of Victorians consume milk with their breakfast. To test this idea, a marketing organisation ra..
Preemies. Do the effects of being born prematurely linger into adulthood? Researchers examined 242 Cleveland-area children born prematurely between 1977.
Unpaid invoices. The controller's office of a corporation is concerned that invoices that remain unpaid after 30 days are damaging relations with vendors. To assess the magnitude of the problem, a manager searches payment records for invoices that..
In the previous exercise, you rejected the hypothesis of equal means. What does this imply about the accuracy of the confidence interval for the difference between the population means based on Student's T?
1. Explain Type I and Type II errors. Use an example if needed. 2. Explain a one-tailed and two-tailed test. Use an example if needed.
Scores on a quiz are normally distributed with a mean of 20 and a standard deviation of 6. How would adding 5 points to each students quiz change the mean of the distribution of quiz scores?
consider a dial having a pointer that is equally likely to point to each of n region numbered 12...n. when we spin the
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