Refer to Exercise 18 in Section 9.1.
a. Use the Fisher LSD method to find a 95% confidence interval for the difference between the means for annularly threaded and smooth shank nails.
b. Use the Tukey-Kramer method to determine which pairs of nail types, if any. differ at the 5% level.
Week 6 Notes MSIT 3000 Megan Lutz Highlight = Key Term Highlight = Key Concept Example: The Pew Internet and American Life Project polled 798 Internet users in December 2011, asking whether they have logged on to the internet using a non-‐ computer wireless device (e.g., tablet or smartphone) and 511 respo