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.
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.
举一反三
- Which of the following is not a measure of central location? A: mean B: median C: variance D: mode
- True or False: Theoretically, the mean, median, and mode are all equal for a normal distribution.
- Theoretically, the mean, median, and mode are all equal for a normal distribution.
- 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.
- When analyzing investment returns, which of the following statements is correct? 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.