Lecture2

Usually the implied question is is it large or small

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Unformatted text preview: ot; Is it the same or different? Is 26 large? Is 4 x 106 large? Is 10.062 = 10.070? Impossible to answer without some measure of the expected natural variation. Be skeptical of claimed accuracy watch out for factors of 10. Examples of numbers with meaning "During the Beijing Olympics swimming sensation Michael Phelps had an Olympic recipe for success and it involves eating a staggering 12,000 calories a day. By comparison, the average man of the same age needs to ingest about 2,000 calories a day." (New York post) There are 12 million bricks in the Empire State Building "The report by the Communications Workers of America (CWA) said the average download speed in South Korea is 20.4 megabits per second (mbps) four times faster than the US average of 5.1 mbps. Japan trails South Korea with an average of 15.8 mbps followed by Sweden at 12.8 mbps and the Netherlands at 11.0 mbps. People in Japan can upload a high definition video in 12 minutes, compared to a grueling 2.5 hours at the US...
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