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Biostatistics By Blueman

Introduction  You may be familiar with probability and statistics through radio, television, newspapers, and magazines. For example, you may have read statements like the following found in newspapers. Nearly one in seven U.S. families are struggling with bills from medical expenses even though they have health insurance. (Source: Psychology Today.) Eating 10 grams of fiber a day reduces the risk of heart attack by 14%. (Source: Archives of Internal Medicine, Reader’s Digest.) Thirty minutes of exercise two or three times each week can raise HDLs by 10% to 15%. (Source: Prevention.) In 2008, the average credit card debt for college students was $3173. (Source: Newser.com.) About 15% of men in the United States are left-handed and 9% of women are left [1] handed. (Source: Scripps Survey Research Center.) The median age of people who watch the Tonight Show with Jay Leno is 48.1. (Source: Nielsen Media Research.) Statistics is used in almost all fields of human endeavor....
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DAYLIGHT SAVING TIME (DST) PROS AND CONS FOR AMERICANS

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  DAYLIGHT SAVING TIME (DST) PROS AND CONS The debate on whether to reduce electricity from the sun or not has been going on for a long time, however many people do agree with this point: if we do so we will save more money. Daylight Savings Time (DST) bill was approved by a vote in the US Senate last week and will be sent to congress on February 1st. It has been estimated that DST can cut about 12 billion dollars per year in energy consumption by 2032 and help lower greenhouse gas emissions by up to nearly half a trillion metric tons by 2100 compared to 1990 levels. The current U.S. Energy Information Administration estimate says that in 2020, DST could help to reduce carbon dioxide emissions from transportation and buildings by around 13% compared to 2015 baseline. But why is DST beneficial? The benefits are as follows: A shorter day means fewer accidents and fewer injuries for drivers. A longer night means fewer traffic incidents and fewer accidents for workers. It also redu...
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