FRM一级《定量分析》:Calculate mean monthly return

时间:2017-11-06 14:53 作者:FRM考试网 来源:原创

For a sample of the past 30 monthly stock returns for McCreary,Inc.,the mean return is 4%and the sample standard deviation is 20%.Since the population variance is unknown,the standard error of the sample is estimated to be:
 
FRN考试冲刺
 
The related Hable values are percentile of t-distribution value with i degrees of freedom):

frm考试
 
What is the 95%confidence interval for the mean monthly return?
 
A.[-3.453%,11.453%]
 
B.[-2.201%,10.201%]
 
C.[-2.194%,10.194%]
 
D.[-3.464%,11.464%]


Answer:D

FRM二级
 
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