An analyst is examining a large sample with an unknown populatio
2023-11-03CFA-Level1
An analyst is examining a large sample with an unknown population variance. To test the hypothesis that the historical average return on an index is less than or equal to 6%, which of the following is the most appropriate test?
A.One-tailed z-test
B.Two-tailed z-test
C.One-tailed F-test
正确答案是A
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