金程問(wèn)答
Using the above data, an analyst is trying to test the null hypothesis that the population variances are equal（） against the alternative hypothesis that the variances are not equal （）at the 5% level of significance. The following table provides the F-distribution. Which of the following statements is most appropriate? The critical value is: A 9.60 and do not reject the null. B 7.15 and do not reject the null. C 6.39 and reject the null. 老師這種題是否需要掌握？
Which of the following statements about hypothesis testing is least accurate? A A type I error is to reject the null when it is actually true. B The significance level equals the probability of a Type I error. C A two-tailed test with a significance level of 5% has z-critical values of ±1.65. b有點(diǎn)不明吧，significance level 指的是兩邊的區(qū)域吧，可以定義為type1嗎？
這道題答案選A請(qǐng)老師講解。政府支出變多是因?yàn)槎愖兌?，G-T不是保持不變么？誤選的是C
Q146 問(wèn)call option........the lower the price for, 請(qǐng)問(wèn)這里的price指的是什么的price？或者說(shuō)，call option的price是指啥？它的期權(quán)費(fèi)嗎？
解題公式 為什么跟記的公式不一樣啊
為什么我算出來(lái)是 －3.37 那個(gè)416負(fù)號(hào)我按下，計(jì)算器顯示還是正的？
為什么CFO是收付實(shí)現(xiàn)制下的net income？
請(qǐng)問(wèn)老師，答案中 為何要用g 代替rm-rf呢？
orderly disposal 沒(méi)明白這個(gè)詞什么意思。所以不知道為啥選realizable value 麻煩解釋下
LIFO剩下的存貨為什么不是最開(kāi)始的500+300件？
50×0.9228是什么意思
Which of the following will lead Inventories to rise? A inventory—sales ratios are high. B economic activity begins to rebound. C inventory—sales ratios are low. 這題什么原理？
ABC Company sells computer parts by mail. A sample of 25 recent orders showed the mean time taken to ship out these orders was 45 hours with a sample standard deviation of 12 hours. Assuming the population is normally distributed, the 99% confidence interval for the population mean is: A 45 ± 2.80 hours. B 45 ± 6.98 hours. C 45 ± 6.71 hours. 是不是得有表才能做？2.797是怎么來(lái)的？
老師這兩題有什么區(qū)別，為什么第一題不選lower？
三題都不會(huì),請(qǐng)老師詳解~
程寶問(wèn)答
