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If the average American sleeps 8 hours a night, with a standard deviation of 1 hour, and I plan on gathering a sample of 12 college students to compare to this population, find the following:
μ=
σ = also the mean of sample and S.D of sample
Statistics and Probability, Statistics
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Want the 98% confidence interval when the sample size is 50, sample mean is 42 and sample standard deviation is 5. Keep three decimal places in your response.
List the three assumptions of the independent groups t-test. The consequences of violating which assumption are exacerbated if you have unequal N
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A population has a mean mu equals84 and a standard deviation sigma equals6. Find the mean and standard deviation of a sampling distribution of sample means with sample size n=36.
Using Excel, A manufacturer of Celsius thermometers claims the thermometers they produce have an average (mean) reading of 0 degrees Celsius and a standard deviation of 1 degree Celsius for freezing water . If one of the ...
Question 1. Many high school students take the AP tests in different subject areas. In 2007, of the 144,796 students who took the biology exam 84,199 of them were female. In that same year,of the 211,693 students who too ...
Determine the operating cash flow? (OCF) for? Kleczka, LLC., based on the following data. During the year the firm had sales of $2,548,000?, cost of goods sold totaled $1,802,000?, operating expenses totaled $320,000?, a ...
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