Solved by verified expert:Project Week 5For these project assignments throughout the course you will need to reference the data in the ROI Excel spreadheet. Download it here.
For each of the 2 majors consider the ‘School Type’ column. Construct a 92% confidence interval for the proportion of the schools that are ‘Private’. For each of the 2 majors, construct a 98% confidence interval for the mean of the column ‘Annual % ROI’.In a highlighted box, discuss the following. How do these confidence intervals provide information about the which is the better major in terms of Annual ROI? Compare the confidence intervals. Which is narrower? Wider? What does the width have to do with advising someone on which major has the better ROI? Why is it important to know the proportion of schools that are private? What factors differ in public and private schools that could influence ROI? Is a 98% confidence interval a guarantee that the ROI will be in the interval? Why or why not? Hints – these websites might help to find z or t sub alpha over 2. (you have to know which one)http://simulation-math.com/_Statistics/FindZalphaover2.cshtmlhttp://simulation-math.com/_Statistics/Findtalphaover2.cshtml
Grading Criteria AssignmentsMaximum PointsMeets or exceeds established assignment criteria40Demonstrates an understanding of lesson concepts20Clearly presents well-reasoned ideas and concepts30Uses proper mechanics, punctuation, sentence structure, and spelling10Total100
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.Read more
Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.Read more
Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.Read more
Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.Read more
By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.Read more