This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: The “high” values are those values x i for which x i > median. The “low” values are those values x i for which x i < median. What are the very high (very well, very expensive) and very low (very poorly, very inexpensive) values in the sample? The very high values are in the highest (fourth) quarter of the ranked sample values. The very low values are in the lowest (first) quarter. The “high” values are those ranked values x i for which x i > Q 3 (= third quartile). The “low” values are those ranked values x i for which x i < Q 1 (= first quartile). How representative of the sample is the mean? CV as the measure of s to xbar measures the respresenativeness of the mean. Very good representative value if at most CV < 0.05 © 2002 by Harvey A. Singer © 2002 by Harvey A. Singer...
View
Full Document
 Fall '08
 SINGER
 Standard Deviation, Probability theory, Quartile, Quantile

Click to edit the document details