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Search the library for a scholarly journal article of a study that presents the results using correlation analysis. Summarize the article, explain how the correlation was used, and the value of correlation analysis. Include an APA reference. Politics and religion are okay, however, I ask that everyone keep this very civil and focus on scholarly research, not personal opinions. End your post with a question for the class that will spark discussion about your topic.
Construct the 95% confidence interval for the proportion of students with at least one injury.
Using the 0.10 level of significance, is there evidence that the mean shopping time at the local supermarket is greater than the claimed value of 22 minutes?
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level.
Share 1 real-world binomial distribution situation and 1 real-world Poisson distribution situation. Be sure to explain why each example is defined as binomial or Poisson.
If the variability of the filling machine is reduced to 0.025 ounce, verify that this will lower the required average amount of coffee to 4.050 ounces and yet keep 98 percent of the jars above 4 ounces.
Testing for population mean - How would this information be useful to you if you were the college register?
What is the point estimate of the proportion of the population of employees who strongly dislike their current work experience (to 2 decimals)?
The following data represent the cost of electricity for the period of July 2008 for a random sample of 50 one-bedroom apartments in a large city.
A random sample of 400 college students was selected and 120 of them had at least one motor vehicle accident in the previous two years.
At a college, 70 percent of the students are women and 35 percent of students receive grade of C. About 20 percent of students are neither female nor C students. Use this contingency table.
If the sample standard deviation of the sample was $630 also the sample size was 50. Findout the 90% confidence interval of true mean.
Assume that a random variable, x, is distributed according to a normal distribution with mean 46 and standard deviation 12. (a) What is the standard error of the estimate, x-bar, if a sample of size 25 is taken?
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