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September 1, 2014

Posts by gandakho


Total # Posts: 3

College Statistics
The brightness of sunlight at the earth's surface changes over time depending on whether the earth's atmosphere is more or less clear. Sunlight dimmed between 1960 and 1990. After 1990, air pollution dropped in industrial countries. Did sunlight brighten? Here are data...
September 6, 2011

Statistics
help me please GUys
September 6, 2011

Statistics
A student wonders if tall women tend to date taller men than do short women. She measures herself, her dormitory roommate, and the women in the adjoining rooms; then she measures the next man each woman dates. Here are the data (heights in inches): Men (x) 67 62.1 66.9 63.3 72...
September 6, 2011

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