CCR 94515. Test Methods. - California Air Resources Board

Chapter 18: Medians for ordinal scales should be letters, not numbers...246.
Chapter 19: Investigating the relationship between two variables...252. Chapter
20: Specify, hypothesize, assume, obtain, test, or prove?...267. Chapter 21: The
independence of observations...271. Chapter 22: N (or n) vs. N-1 (or n-1)
revisited...277.

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