Consider testing Upper H 0 : mu equals 20H0: μ=20 against Upper H Subscript a Baseline : mu less than 20Ha: μ<20 where muμ is the mean number of latex gloves used per week by all hospital employees, based on the summary statistics nequals=4444, x overbarxequals=19.219.2, and sequals=11.211.2. Compute the p-value of the test.
| population mean μ= | 20 |
| sample mean 'x̄= | 19.200 |
| sample size n= | 44.00 |
| sample std deviation s= | 11.200 |
| std error 'sx=s/√n= | 1.688 |
| test stat t ='(x-μ)*√n/sx= | -0.47 |
| p value = | 0.319 |
Consider testing Upper H 0 : mu equals 20H0: μ=20 against Upper H Subscript a Baseline...
Consider testing H0: μ=20 against Ha: μ<20 where μ is the mean number of latex gloves used per week by all hospital employees, based on the summary statistics n=40 overbar x=19.3 and s=11.2. Complete parts a and b. a. Compute the p-value of the test. The p-value of the test is __________(Round to four decimal places as needed.)
In a test of Upper H 0: mu=100 against Upper H Subscript a: mu not equals100, the sample data yielded the test statistic z=2.24. Find the Upper P-value for the test.
Consider testing Ho: u = 20 against Ha: u< 20 where u is the mean number of latex gloves used per week by all hospital employees, based on the summary statistics n = 47, X = 19.2, and s = 11.5. Complete parts a and b. a. Compute the p-value of the test. The p-value of the test is . (Round to four decimal places as needed.) b. Compare the p-value with a = 0.05 and make the appropriate conclusion....
A study has a random sample of 27 subjects. The test statistic for testing Upper H 0 : mu equals 150H0: μ=150 is tequals=2.53. Find the approximate P-value for the alternative a. Upper H Subscript a Baseline : muHa: μnot equals≠150, b. Upper H Subscript a Baseline : muHa: μgreater than>150, and c. Upper H Subscript a Baseline : muHa: μless than<150.
Data were collected on the annual mortality rate (deaths per 100,000) for males in 61 large towns in England and Wales. The data set also notes for each town whether it was south or north of Derby. The summary statistics are given below. Is there a significant difference in mortality rates in the two regions? Answer parts a and b. Assume a significance level of alphaequals0.05. Group Count Mean Median StdDev North 28 1612.31 1612 125.97 South 33 1592.56 1575...
is the mean number of latex gloves used per week by all hospital employees, based on the summary statistics Consider testing Ho u = 20 against H u <20 where n=41, x = 19.1, and s = 11.3. Complete parts a and b. a. Compute the p-value of the test. The p-value of the test is (Round to four decimal places as needed.) b. Compare the p-value with a 0.05 and make the appropriate conclusion. Choose the correct answer below....