讲义146页的样本均值的方差=总体方差/n, 对除的这个n,我十分不解。 中心极限定理以n个样本的统计特征来推断总体。 均值，是接近的。 方差，为什么要除以n呢？？如何理解呢？？困惑的很

Income approach中的“the capitalized cash flow method”例题答案9，358，800为什么没有乘以（1 3%）？

老师好，系统设置的课程顺序，道德最前，时间久容易忘，这门在中间却是基础类的，请问这十门的合理学习顺序是什么呢，谢谢

The values of a price return index and a total return index consisting of identical equal-weighted dividend-paying equities will be equal: A Only at inception. B At inception and on rebalancing dates. C At inception and on reconstitution dates.

One month after inception, the price return version and total return version of a single index (consisting of identical securities and weights) will be equal if: A market prices have not changed. B capital gains are offset by capital losses. C the securities do not pay dividends or interest. 讲解下这个题，A为什么不对？且选C的原因

hich of the following is an example of a style index? A An index based on Geography. B An index based on Market capitalization. C An index based on Economic sector. A 为什么不选？

老师麻烦解释一下第7题，没看懂解析，谢谢

为什么B选项不能很容易区分出来？

A market has the following limit orders standing on its book for a particular stock: Trader C submits an immediate-or-cancel limit buy order for 700 shares at a price of $20.49, the average price the trader would pay is closest to: 问题一： immediate-or-cancel limit buy order 怎么理解？ 问题二：20.49 这个价格的含义是 低于20.49买哪，还是？ 您的回答没有显示，叫卢珏的老师，麻烦重新解答下

本题没有说0-1是相隔一年。所求的连续复利利率，也没有说是求EAR，还是求名义年利率，导致本题无法作答。 按本题的答案所述，所求的是名义利率，而非EAR。该题让人很困惑。