Refer to Exercise 18 in Section 9.1. a. Use the Fisher LSD method to find a 95%
Question:
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.
Refer to Exercise 18 in Section 9.1.
Transcribed Image Text:
Nail Type Withdrawal Strength (N/mm) Annularly threaded Helically threaded Smooth shank 36.57 29.67 43.38 26.94 12.03 21.66 41.79 31.50 35.84 40.81 14.66 24.22 23.83 21.80 27.22 38.25 28.15 36.35 23.89 28.44 12.61 25.71 17.69 24.69 26.48 19.35 28.60 42.17 25.11 19.98
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