Project C

Your manager has speculated the following a. the average (mean) annual income was little than $50,000, b. the accepted population proportion of customers who live in an urban atomic number 18a exceeds 40%, c. the average (mean) number of years lived in the current home is less than 13 years, d. the average (mean) credit balance for suburban customers is more than $4300. 1. victimization the sample data, perform the hypothesis test for each of the above situations in order to see if there is evidence to support your managers belief in each compositors case a. -d. In each case use the Seven Elements of a render of Hypothesis, in Section 6. of your school text book with ? = . 05, and explain your conclusion in simple terms. Also be sure to compute the p-value and interpret. 2. Follow this up with computing 95% assurance intervals for each of the variables described in a. -d. , and again interpreting these intervals. 3. Write a report to your manager about the results, distilling down the results in a expression that would be understandable to someone who does not know statistics. Clear explanations and interpretations are critical. 4. All DeVry University policies are in effect, including the plagiarism policy. 5. Project situation B report is due by the end of Week 6. . Project Part B is worth 100 total points. See grading semblance below Submission The report from part 3 + all of the pertinent work done in the hypothesis testing (including Minitab) in 1. , and the self-confidence intervals (Minitab) in 2 as an appendix. Format for report A. Summary compensate (about 1 paragraph on each of the speculations a. -d. ) B. Appendix with all of the stairs in hypothesis testing (the format of the Seven Elements of a Test of Hypothesis, in Section 6. 2 of your text book) for each speculation a. -d. as well as the confidence intervals, and including all Minitab output