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Consider some decision-making situations in any aspect of Hospital Administration, and describe two or more population variances are important. Provide examples of situations in which population variance tests were performed. Be sure to include the url address and e-mail address for each situation
Finding the probability value for the given data using normal approximation
Suppose that the population of heights of male college students is approximately normally distributed with mean m of 68 inches and standard deviation s of 3.75 inches. A random sample of 16 heights is obtained.
The mean number of passengers per flight is 160 with a standard deviation of 20. The aircraft used for the route has 200 seats.
Suppose two residents participate in the program (each for 3 weeks= 21 days) and cart review inds a total of 20 medical erros made by the two residents combined. Rate = 20 errors in 21 days per 2 residents .95 error per day per 2 resdients or .4762..
What assumption tests should be used? A fifth grade science teacher want to know if there is a relationship between final exam scores and overall course points after adjusting for a quiz score.
A study of 40 bowlers showed that there average score was 186 the standard deviation of the population is 6. Find the 95% confidence interval of the mean score for all bowlers.
What are the mean value and standard deviation of the number among these 15 that are from the second section? What are the mean value and standard deviation of the number of projects not among these first 15 that are from the second section?
Identify the null hypothesis, alternative hypothesis, test statistic, p-value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.
Could mud-wrestling be the cause of a rash contracted by University of Washington students in the spring of 1992? Two physicians at the University of Washington health center wondered this when one male and six female students complained of rashes..
A Pew research study recently randomly selected two groups of people, men and women and asked them if they agree with the following statement:
Experience raising New Jersey Red chickens revealed the mean weight of the chickens at five months is 4.35 pounds. The weights follow the normal distribution.
Find the weighted mean of three test scores for a student (85, 90, 75) where the first test counts for 20%, the second test counts for 30%, and the third counts for 50% of the final grade.
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