Central Tendency(Bertelsmann Data Science Challenge)

Mode : refers to the most frequently occurring numbers found in a set of numbers.

Median : refers to the value in the middle of the distribution.

Mean : The average of the numbers in a distribution.

formula for mean Source: https://www.onlinemathlearning.com/population-mean.html

formula for median. Source: https://www.onlinemathlearning.com/median.html

In a normal distribution, the mean, median and mode are approximately equal.

In a positively skewed distribution, the mean is greater than the median which is also greater than the mode.

mode<median<mean

Whereas in a negatively skewed distribution, the mean is lesser than the median and the mode is greater than the median.

mean<median<mode