Page 8 - FINAL CFA SLIDES DECEMBER 2018 DAY 3
P. 8
Session Unit 2:
8. Statistical Concepts and Market Returns
LOS 8.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,
Characteristics/properties of AMs p.139?
• All interval and ratio data sets have an AM.
• All data values are considered and included in the computation.
• A data set has only one arithmetic mean (i.e., the AM is unique).
• The only MCT whose sum of the deviations of each observation from the mean is 0.