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by Jason Marshall In the last article, we talked about averages and one specific way statistics can help answer questions without letting emotions interfere. But the type of average value we talked about is just one of manyuseful meanings assigned to
数学英语
图片1 图片2 by Jason Marshall A few articles ago, I asked if you ever found yourself at restaurants fumbling to figure out how much to tip; I guessed that you might occasionally resort to seeking advice from your smart phone; and I told you that
数学英语
by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag
数学英语
By Anjana Pasricha New Delhi 22 October 2006 Children infected with tuberculosis light candles at a march to mark World Tuberculosis Day in New Delhi, March 24, 2006 The World Health Organization says there has been considerable progress in the figh
2006年VOA标准英语（十月）
By Mandy Clark London 17 March 2008 A World Health Organization report says the rate of tuberculosis infections is going down across the globe, but also notes that progress in the fight against the disease is too slow. VOA's Mandy Clark reports from
VOA标准英语2008年（三月）