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A sanitation supervisor is interested in testing to see if the mean amount of garbage per bin is different from 50. In a random sample of 36 bins, the sample mean amount was 49.1 pounds and the sample standard deviation was 4 pounds. Conduct the appropriate hypothesis test using a 0.05 level of significance.
What is the test statistic? Give your answer to four decimal places.
What is the P-value for the test? Give your answer to four decimal places.
the percentage of people exposed to a bacteria who become ill is 20. assume that people are independent. assume that
the following probability model shows the distribution of doctoral degrees from u.s. universities in 2009 by area of
Estimating the value of the population mean on the basis of the sample mean alone produces a(n):
How is this relationship different from the bi-variate relationships?
According to the historical data, the life expectancy in the United States is equal to the life expectancy in Germany. A new study has been made to see whether this has changed. Records of 225 individuals from the United States who died recently a..
sample methods identify which of the following applies simple random systematic conveniencestratified or cluster sample
Compute the 99% confidence interval for the population mean based on the sample 62, 68, 61, 64, 65, 62, and 66. Then, change the number from 66 to 16 and calculate the confidence interval.
The Kruskal-Wallis rank test is a nonparametric replacement - The Wilcoxon rank sum test tests a null hypothesis
let x be the amount of premium gasoline in 1000 gallons that a service station has in its tanks at the beginning of a
a hot dog vendor provides onions relish mustard ketchup dijon ketchup and hot peppers for your hot dog. how many
The Quick Change Oil Company has a number of outlets in the Seattle area. The daily number of oil changes at outlet in past twenty days are:
What measure would you use and why? Make sure to provide enough detail about the situations so that others can understand your responses. Work as a correctional officer.
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