# Central Tendency and its Measures

# Central Tendency and its Measures

A central tendency is a central or typical value for a probability distribution. It is a summary statistic. The following are most general measures of central tendency:

# Mean

The mean is basically the average of all the elements of the dataset.

The mean is easily affected by outliers.

# Median

Median is the middle element of a sorted dataset. If the dataset has an even number of elements, then the average of two middle elements is the median. The Median is more resistant to outliers.

# Mode

The most frequent entry in the dataset is the mode. This is the only central tendency measure that can be used in the case of nominal and qualitative data.

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