这道题没有老师解答吗？

1、CHISQ.INV(0.95, 24) = 36.41是什么意思？？2、题中给出的BP、LB不是用来检验ARMA模型的吗，和白噪声有什么关系？

这道题答案的1.76是怎么算出来的呀

这一题50是用1000÷20得到的每一期现金流吗

欧洲美元期货long是收固定short是支固定。那么bond也是一样的吗

An analyst believes that hedge funds have significantly (using a significance level of 0.05) outperformed the S&P 500 over the past five years. So she picks a random group of 15 hedge funds and finds that their mean return over this period is 85% and their standard deviation is 45%. During the same period the S&P 500 has risen by 75%. The critical value of the t-statistic for this study is:

这题为什么是1.76？单尾0.05的critical value不是1.65吗？

为什么这里的A借固定的利率是+4%？为什么是+

这道题咋算

这道题是咋算的