standard deviation

相似题目

• Deviation is the angle between the（）.

  A . true meridian and the axis of the compass card B . true meridian and the magnetic meridian C . magnetic meridian and the axis of the compass card D . axis of the compass card and the degaussing meridia

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• 在华为小区参数中，“Power Deviation”的参数名称是（）

  A . 功率控制调整周期 B . 功率控制允许 C . 功率偏移 D . 功率偏移指示

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• Deviation is caused by（）.

  A . changes in the earth's magnetic field B . nearby magnetic land masses or mineral deposits C . magnetic influence inherent to that particular vessel D . the magnetic lines of force not coinciding with the lines of longitude

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• When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.

  A . In the vessel's Official Logbook B . On the compass deviation card C . In the compass deviation log D . On a Napier diagram

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• Deviation in a compass is caused by the（）.

  A . vessel's geographic position B . vessel's heading C . earth's magnetic field D . influence of the magnetic materials of the vessel

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• 在CNP1中，无线传播模型校正完成后，评估模型校正精度的指标有MeanError和Standard Deviation

  A . 正确 B . 错误

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• Magnetic compass deviation（）.

  A . varies depending upon the bearing used B . is the angular difference between magnetic north and compass north C . is published on the compass rose on most nautical charts D . is the angular difference between geographic and magnetic meridia

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• Standard deviation measures_____ risk.

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• 72. Deviation is caused ____

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• 67. When azimuth of the Sun has been taken and the deviation of the standard magnetic computed, the watch officer should record the results _____.

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• 266. Magnetic compass deviation ______.

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• Which of the following available portfolios most likely falls below the Markowitz efficient frontier？Portfolio Expected return Expected standard deviation

  A．A 7% 14% B．B 9% 26% C．C 12% 22%

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• The covariance of the markets returns with a stocks returns is 0.005 and the standard deviation of the markets returns is 0.05. What is the stocks beta？

  A．1.0. B．1.5. C．2.0.

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• Six Sigma quality means that the difference between the upper and lower tolerance levels is six standard deviations wide.（）

  是 否

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• When azimuth of the Sun has been taken and the deviation of the standard magnetic computed, the watch officer should record the results _____.

  A．in the vessel’s Official Logbook B．on the compass deviation card C．in the compass deviation log D．on a Napier diagram

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• Beta and standard deviation differ as risk measures in that beta measures______.

  A．only unsystematic risk, while standard deviation measures total risk B．only systematic risk, while standard deviation measures total risk C．both systematic and unsystematic risk, while standard deviation measures only unsystematic risk D．both systematic and unsystematic risk, while standard deviation measures only systematic risk

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• The mean of blood pressure in a series of boys is 120 kPa, and the standard deviation of the same data is 10 kPa, the coefficient of variation of this data equals

  A．8.3% B．6.5% C．4.2% D．10.2%

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• The amount of time necessary for assembly line workers to complete a product is a normal random variable with a mean of 15 minutes and a standard deviation of 2 minutes. The probability is__ that a pr

  A．0.6826 B．0.9544 C．0.9772 D．0

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• On the minimum-variance frontier, which of the following portfolios has the lowest standard deviation:

  A．Theoptimalriskyportfolio. B．Theglobalminimum-varianceportfolio C．Unattainableportfolios.

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• Amy Wong, CFA, included in her firms marketing materials several plain-language descriptions of general investment concepts such as standard deviation and duration, which were copied from other source

  A、Yes. B、No,because these are well-known concepts. C、No,because she did not misrepresent the descriptions of these concepts.

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• The amount of time necessary for assembly line workers to complete a product is a normal random variable with a mean of 15 minutes and a standard deviation of 2 minutes. So, 17% of the products would

  A．12 B．14 C．13.6 D．13

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• An investor is considering two investments. Stock A has a mean annual return of 16 percent and a standard deviation of 14 percent. Stock B has a mean annual return of 20 percent and a standard deviation of 30 percent. Calculate the coefficient of variation (CV) of each stock. Which of the following statements is TRUE？

  A.Stock A (CV = 0.875) has more dispersion relative to the mean than stock B. B.Stock A (CV = 0.875) has less dispersion relative to the mean than stock B. C.Stock A (CV 1.14) has more dispersion relative to the mean than stock B. D.Stock A (CV 1.14) has less dispersion relative to the mean than stock B.

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• Standard deviation is least likely an appropriate measure of risk for:

  A、Hedge funds. B、Publicly traded REITs. C、exchange-traded funds.

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