Need Help ASAP with the questions below,? PLEASE
- Suppose you're using an x-bar and R chart. Your limits for the x-bar portion are 98 and 102. Your limits for the R portion are 5 and 11. In a series of 5 samples you observed the following Ranges: 9, 10, 7, 7, 9. The means of those same 5 samples were: 100, 101, 101, 99, and 97. What would you conclude:
2. Assume you assemble screens for a local screen printer. You require angle cut 2x2 wood pieces 18 inches long, but can use them as long as they're between 17.9 and 18.1 inches long. You pay your nephew to cut these after school because he's needing more money for college with the recent scholarship reductions and tuition increases at his university. A study of 100 pieces from a recent production run found an average length of 18.02 inches and a standard deviation of 0.03 inches. Which of the following statements best reflects this situation?
Question 15 options:
3.Harvard has found over the past 20 years that the proportion of accepted students who do not enroll has been in statistical control with an average of 0.020. Assuming the most recent class had 400 acceptances, what would be the Shewhart limits used to determine if the enrollment rate is unusually low or high? (Round to 3 digits.)
Question 14 options: