1 / 10

100 likes | 224 Views

DQO Training Course Day 3. Exercise 5. Hypothesis Testing for Clean & Dirty Sites. Presenter: Sebastian Tindall. (30 minutes). Exercise 5. For the first part of this Exercise, “Clean site”, the Action Level is still set at 7 ppm. The LBGR is also still set to 6 ppm.

Download Presentation
## Exercise 5

**An Image/Link below is provided (as is) to download presentation**
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.
Content is provided to you AS IS for your information and personal use only.
Download presentation by click this link.
While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

**DQO Training Course**Day 3 Exercise 5 Hypothesis Testing for Clean & Dirty Sites Presenter: Sebastian Tindall (30 minutes)**Exercise 5**• For the first part of this Exercise, “Clean site”, the Action Level is still set at 7 ppm. • The LBGR is also still set to 6 ppm. • However, for this Exercise the True Mean for the “clean” bag of beads is 1 ppm. • The concentrations range from 0 to 4 ppm. • Therefore, “This site is Clean”.**Exercise 5 (contd.)**• From the “clean” bag of beads, take a new random sample of n = 5 beads. • Provide your sample values to the instructor for spreadsheet calculations. • Your 95% UCL = • Check: Based on the UCL, your site is: “Clean”_____ or “Dirty” _____**Exercise 5 (contd.)**• The current test is 95% UCL on x-bar >= AL implies “dirty,” otherwise site is “clean”. Record the number of sites that the class declared “dirty” below and calculate the error rate for the class: Number “dirty” Decisions --------------------------------- = ------------------------------ X 100 = Total Number of Decisions**Exercise 5 (contd.)**• Draw in a green dot at 1 ppm on the x-axis of your DPGD at 0%.**Exercise 5 (contd.)**• For the second part of this Exercise, “Dirty site”, the Action Level is still set at 7 ppm. • The LBGR is also still set to 6 ppm. • However, for this Exercise the True Mean for the “dirty” bag of beads is 13 ppm • The concentrations range from 10 to 14 ppm. • Therefore, “This site is Dirty”.**Exercise 5 (contd.)**• From the “dirty” bag of beads, take a new random sample of n = 5 beads. • Provide your sample values to the instructor for spreadsheet calculations. • Your 95% UCL = • Check: Based on the UCL, your site is: “Clean”_____ or “Dirty” _____**Exercise 5 (contd.)**• The current test is 95% UCL on x-bar >= AL implies “dirty,” otherwise site is “clean”. Record the number of sites that the class declared “clean” below and calculate the error rate for the class: Number “clean” Decisions --------------------------------- = ------------------------------ X 100 = Total Number of Decisions**Exercise 5 (contd.)**• Draw in a black dot at 13 ppm on the x-axis line of your DPGD at 100%.**End of Exercise 5**Thank you Questions?

More Related