A: The geometric mean will exceed the arithmetic mean for a series with non-zero variance.
B: The geometric mean measures an investment’s compound rate of growth over multiple periods.
C: The arithmetic mean accurately estimates an investment’s terminal value over multiple periods.
举一反三
- Which of the following statements about the arithmetic mean is not always correct? A: The mean is a measure of the middle (centre) of a distribution. B: Half of the observations are on either side of the mean. C: The sum of the deviations from the mean is zero. D: The value of the mean times the number of observations equals the sum of all of the observations.
- Which of the following statement concerning about the arithmetic mean is FALSE（） A: It is less than or equal to the geometric mean. B: It is a commonly used measure of central tendency. C: It is equal to the median and mode in symmetric distributions.
- The smaller the spread of scores around the arithmetic mean,
- According to the passage, what does "giving the children the best start in life" mean A: Investment in school education. B: Investment in under-threes developments. C: Investment in early childhood programs. D: Investment in the well-being of women during pregnancy.
- Which of the following statements is FALSE? A: The payback investment rule is based on the notion that an opportunity that pays back its initial investments quickly is a good idea. B: An internal rate of return (IRR) will always exist for an investment opportunity. C: A net present value (NPV) will always exist for an investment opportunity. D: In general, there can be as many internal rates of return (IRRs) as the number of times the project's cash flows change sign over time.
内容
- 0
Which of the following statements about return objectives is TRUE A: To achieve the capital appreciation objective, the nominal rate of return must exceed the rate of inflation. B: The total return objective considers returns from both capital gains and current income, net of expected inflation. C: The current income objective is usually appropriate when an investor requires the purchasing power of the initial investment to increase over time.
- 1
The average (arithmetic mean) of five number is 26. After one of the numbers is removed, the average (arithmetic mean) of the remaining numbers is 25. What number has been removed ？（） A: 20 B: 25 C: 26 D: 30 E: 32
- 2
With regard to stock market indexes, it is least likely that:（） A: the use of a geometric mean produces a downward bias on an equal-weighted index compared to the use of an arithmetic mean. B: the use of price weighting versus market value weighting produces a downward bias on the index. C: a value-weighted index must be adjusted for stock splits but not for dividends.
- 3
Which of the following is not a measure of central location? A: mean B: median C: variance D: mode
- 4
You are offered an investment opportunity. Its outcomes and probabilities are presented in the following table. X P(X) –$1000 .40 $0 .20 +$1000 .40 The mean of this distribution is _____________.