【每日一练】CFA 一级(2015年)
Question:
A two-tailed t-test of the hypothesis that the population mean differs from zero has a p-value of 0.0275. Using a significance level of 5%, the most appropriate conclusion is:
A. to accept the null hypothesis.
B. to reject the null hypothesis.
C. that the chosen significance level is too high.
Answer = B
The p-value is the smallest level of significance at which the null hypothesis can be rejected. In this case, the given p-value (0.0275) is less than the given level of significance (0.05); therefore, the null hypothesis is rejected.
CFA Level I
"Hypothesis Testing," Richard A. DeFusco, Dennis W. McLeavey, Jerald E. Pinto, and David E. Runkle
Section 2

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