Black Tuesday – October 29th, 1929 – generally day that a lot of historians agree dealt closing blow into the Roaring 20s and was the kick off point of the great Depression. On Black Tuesday, a record 16.4 million shares changed hands. The ticker tape machines fell behind by nearly 3 a...
The above example sounds a little far-fetched, but historians often have to analyze just how reliable a given source is, even before they start to worry about things like biases or hidden agendas. In the case above, the wrong style of date was a red flag that the coin was a fake. The...
某单位有职工160人，其中业务人员120人，管理人员24人，后勤服务人员16人.为了解职工的某种情况，要从中抽取一个样本容量为20的样本，记作①.从某中学高三年级的18名体育特长生中选出5人调查学习负担情况，记作②.那么完成上述两项调查应采用的抽样方法分别是 ( )
Custom versions of the Sportster arrived as a way of adding big-Harley styling like two-tone paint to the middleweight line. Learn about the XL-1200c Sportster. By the Auto Editors of Consumer Guide 2002 Harley-Davidson VRSCA V-Rod The 2002 Harley-Davidson VRSCA V-Rod is high-tech yet ...