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During the 2000 season, the home team won 138 of the 240 regular season National Football League games. Is this strong evidence of a home field advantage in professional football? Test an appropriate hypothesis and state your conclusion. Be sure the appropriate assumptions and conditions are satisfied before you proceed.
Test the hypothesis that the annual incomes of corporate trainers in areas of more than 500,000 are significantly more than those in areas of less than 100,000.
Assume that demand for the upcoming weekend is normally distributed with a standard deviation of 30. What is the probability all the hotel's rooms will be rented?
Assume a mean wage of $1,000 and standard deviation of $100. What's the probability of finding an employee with a wage of between $790 and $1000?
As it is a 2 _ 2 table, try also two-tailed two-sample z test for ð1 = ð2 and verify that z2 is same as your chi-square statistic. Which test do you favour? Describe why?
In 2002 the Supreme Court ruled that schools could require random drug tests of students participating in competitive after-school activities such as athletics.
Find the minimum sample size needed using a prior study that found that 36% of the respondents said they support abolishing the penny.
If this past distribution is a good indicator of future grades, what is the probability of a student receiving a C in the course?
Determine the mean, median, and mode for data set: 12.75, 18.32, 19.41, 12.75, 18.30, 19.45, 19.33
In StaTScan what is the difference between a spatial cluster size to 25% of the population risk and one with 50% window ? In StaTScan what is the difference between space-time permutation and space-time?
The mean salary for engineers with less than 5 years' experience is $60,000 with a standard deviation of $5,000. Compute the z values for both 1)Rob and 2)Rachel.
Are there any formulas or graphs for Correlational statistical procedures and Quantative research methods? I'm writing a paper and would like to throw in a few examples with explanation.
As part of a long-term study of individuals 65 years of age or older, sociologists and physicians at the Wentworth Medical Center in upstate New York conducted a study to investigate the relationship between geographic location and depression.
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