更多"If a prediction based on a hypothes"的相关试题:
[单项选择]The efficient market hypothesis implies that fundamental analysis:（）
A. is inferior to technical analysis because fundamental analysis is not timely.
B. requires the analysis to predict movements in relevant variables that affect rates of return.
C. will be successful if transaction costs are minimized by focusing on a limited number of large-capitalization stock
[单项选择]Which of the following statements about hypothesis testing is FALSE（）
A. The null hypothesis is a statement about the value of a population parameter.
B. A Type Ⅱ error is failing to reject a false null hypothesis.
C. If the alternative hypothesis is Ha: μ＞μ0, a two - tailed test is appropriate.
[简答题]Current studies do not support the hypothesis that multiple vaccines ________________________ (破坏、削弱或“耗尽”婴儿的免疫系统).
[填空题]Krashen’s monitor hypothesis states that learning has only one function, and that is as a______.
[单项选择]An analyst does research about hypothesis testing. Which of the following test statistics is most appropriate test statistics for two means based on samples that we believe are dependent
A. T-test.
B. F-test.
C. Chi-square test.
[填空题]The purpose of insurance is fulfilled only when a large number of people share losses that only a few of them will actually have.
[单项选择]According to the passage, rain prediction requires a quantitative description of droplet collision in turbulence for which of the following reasons
A. The "sling effect" remains unproven and requires experimental corroboration.
B. The degree to which droplets collide is the only reliable method of assessing air flow.
C. The degree of turbulence may help forecast the formation of large-size droplets that precipitate rain.
D. Such factors as warm and cold fronts and individual cloud formations could not be performed otherwise.
E. The laws which govern the formation of concentration heterogeneities still need to be discerned.
[单项选择]Which word best describes the lawyers’ prediction of the change in divorce rate
A. Fall
B. Rise
C. V-shape
D. Zigzag
[填空题]Contrary to the prediction of some financial experts, ______(经济正在萎缩而不是在增长).
