Q42: Which of the following measures of central tendency is not... - Statistical Methods & Experimental Designs - ICAR AIEEA PG Statistical Science 14 July 2023 Shift-1 Paper | Agrigyan

Effect of extreme values on averages:

• Arithmetic mean uses all numerical values directly, making it highly sensitive to extreme outliers.
• Harmonic mean is strongly influenced by extremely small values.
• Median is a positional average that depends solely on the order of observations. Changing extreme high or low values does not change the middle observation, making it robust against outliers.
• Geometric mean is affected by extreme observations.