设{an}是公比为q的等比数列,|q|>1,令bn=an+1(n=1,2,…),若数列{bn}有连续4项在集合{-53,
-23,19,37,82}中,则6q=( )。
-9
A bond that pays $ 100 in interest each year was purchased at the beginning of the year for $1050 and sold at the end of the year for $1100. An investor's holding period return is:()
A. 14.3%.
B. 10.0%.
C. 10.5%.
重复性测量中的一组数据,属于错误或错记的数据属于()
A、系统误差
B、示值误差
C、粗大误差
D、随机误差