US Census 2000 Long Form
100 general knowledge questions and answers gk quiz
Section 4-1 Ratio and Proportion A ratio is a comparison of two numbers by division The two numbers must have the same units in a ratio A rate is a comparison.
Chapter 3: Organizing Data. Raw data is useless to us unless we can meaningfully organize and summarize it (descriptive statistics). Organization techniques.
Thomas A. Gryn Population Division, U.S. Census Bureau
