中国人自己创办的最早的证券交易所是上海证券交易所。
参考答案：对
谈一谈现在流行的“白色派”室内设计特征。
Gus Hayden, CFA, has developed a mutual fund selection product based on historical information from 2000-2010 period and performs a hypothesis test about performances of different styles. In order to minimize the probability of both Type Ⅰ and Type Ⅱ error, Hayden should increase the:（）
A. the power of a test.
B. level of significance.
C. sample size.
