Instructions: Complete problems #51, 52, 53 in Section 5.1 Exercises on page 245. Complete problem #13 in Section 5.2 Exercises on page 250. Complete problem #22, 30 in Section 5.3 Exercises on page 257. You may use Excel or the probability tables. Type your responses in a Word (or Excel where applicable) document. Be sure … Read more
Answer the following questions: A) Decide whether the random variable x is discrete or continuous. Explain your reasoning. Let x represent the number of books in a university library Let x represent the time it takes to get to work Let x represent the volume of blood drawn for a blood test B) Give one … Read more
Use the Internet to research articles on confidence interval and its application in business. Select one company or organization that used confidence interval technique to measure its performance parameters (mean, variance, mean differences between two processes, et cetera). Give your opinion as to whether use of such a technique would improve business processes for your … Read more
YOU MUST USE THE TEMPLATE PROVIDED AND YOU HAVE TO ANSWER EVERY QUESTION. Please contact me with questions. This is a MATH assignment. It needs to be CLEAR. Scenario You have been hired by the Regional Real Estate Company to help them analyze real estate data. One of the companys Pacific region salespeople just returned … Read more
Midterm Exam The above preparation is important since you can only take the Week 3 – Midtermone time. You must answer the questions in order and you may not return to a question after you have worked on it, so be sure to complete the question before clicking NEXTor SAVE FOR LATER. The midterm is … Read more
Suppose that a school superintendent wanted to try out a new method of teaching mathematics to 8th graders and that he has decided to ask the math teachers in one middle school to use the traditional approach and the math teachers in another school to use the experimental approach. Assume that the math teachers in … Read more
Competency In this project, you will demonstrate your mastery of the following competency: Apply statistical techniques to address research problems Perform hypothesis testing to address an authentic problem Overview In this project, you will apply inference methods for means to test your hypotheses about the housing sales market for a region of the United … Read more
Case study: A major financial services company wishes to better understand its mortgage approval process. In particular, the company is interested in learning about the effects of good versus fair credit history, the size of the mortgage (less than $500,000 versus greater than $500,000), and the region of the United States (western versus eastern) … Read more
Case Study: Mortgage Approval Time Study Read the following case study: A major financial services company wishes to better understand its mortgage approval process. In particular, the company is interested in learning about the effects of good versus fair credit history, the size of the mortgage (less than $500,000 versus greater than $500,000), and the … Read more
Employees from Company A and Company B both receive annual bonuses. What information would you need to test the claim that the difference in annual bonuses is greater than $100 at the 0.05 level of significance? Write out the hypothesis and explain the testing procedure.