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Andersen Windows makes Quality windows and the standard thickness of the glass is 0.375 inch with a standard deviation of 0.050 inch. A random sample of 50 windows yields a sample mean thickness of 0.390 inches.
Hand in an article or report about a statistical study; tell what variable or variables are involved and whether they are quantitative or categorical.
last weeks sales of imac computers at an apple store in oklahoma city ok are shown in the following tabledaysales
You have administered a standardized test of manual dexterity to two groups of 10 semi skilled workers. One of these two groups of workers will be employed by you to work in a warehouse with many fragile items.
In a study of hypnosis, breathing patterns were observed in an experimental group of subjects in a control group. The measurements of total ventilation (liters of air per minute per square meter of body area) are shown below.
The number of hurricanes that are formed during each hurricane season can be modeled using the Poisson probability distribution. History suggests that the average if number of hurricanes formed during a year is 6.0 hurricanes.
If a student studies for 15 hours, what score should the student expect on the next. What percent of the variation in the points earned on the exam is explained by the number of hours the student studies?
A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed a mean purchase of $5.29 with a standard deviation of $3.02 for the October 26 evening showing of the same movie
A soil scientist is considering the effect of soil pH level on the breakdown of a pesticide residue. Two pH levels are considered in the study.
Conduct a SWOT analysis on your favorite restaurant or retail store and post it here. Then discuss your peer's SWOT analysis.
Converting data to indexes makes it easier to compare the trend in a series composed of exceptionally large numbers.
If the operations are not independent, what effect will this have on the mean and standard deviation of completion time?
A. If n=7 (days campus is open) and p=0.22 (the probability that a student is on campus on any given day), determine the theoretical mean and standard deviation
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