单词：Azacualpa
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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 Robert Raffaele Washington, DC 08 December 2006 watch Universal Studio Expansion Universal Studios' Bates motel It seems movie characters Norman Bates and his mother from the film Psycho will be getting some neighbors. As VOA's Robert Raffaele ex
2006年VOA标准英语（十二月）
By Meredith Buel Islamabad 06 February 2008 Military and political analysts in Pakistan are expressing growing concern that al-Qaida and Taliban-linked insurgents are now emerging from their traditional strongholds along the border with Afghanistan a
VOA常速英语2008年（二月）
By Anjana Pasricha New Delhi 07 December 2006 U.S. Undersecretary of State Nicholas Burns has expressed hopes that a civilian nuclear-cooperation deal with India will be passed soon by the U.S. Congress. Anjana Pasricha reports from New Delhi, where
2006年VOA标准英语（十二月）