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L1 07 Statistical Concepts and Market Returns > j explain skewness and the meaning of a positively or negatively skewed return distribution; > Flashcards

j explain skewness and the meaning of a positively or negatively skewed return distribution; Flashcards

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L1 07 Statistical Concepts and Market Returns (23 decks)

Statistical Concepts And Market Returns

a distinguish between descriptive statistics and inferential statistics, between a population and a sample, and among the types of measurement scales;

b define a parameter, a sample statistic, and a frequency distribution;

c calculate and interpret relative frequencies and cumulative relative frequencies, given a frequency distribution;

d describe the properties of a data set presented as a histogram or a frequency polygon;

e calculate and interpret measures of central tendency, including the population mean, sample mean, arithmetic mean, weighted average or mean, geometric mean, harmonic mean, median, and mode;

f calculate and interpret quartiles, quintiles, deciles, and percentiles;

g calculate and interpret 1) a range and a mean absolute deviation and 2) the variance and standard deviation of a population and of a sample;

h calculate and interpret the proportion of observations falling within a specified number of standard deviations of the mean using Chebyshev’s inequality;

i calculate and interpret the coefficient of variation and the Sharpe ratio;

j explain skewness and the meaning of a positively or negatively skewed return distribution;

k describe the relative locations of the mean, median, and mode for a unimodal, nonsymmetrical distribution;

l explain measures of sample skewness and kurtosis;

m compare the use of arithmetic and geometric means when analyzing investment returns.

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