Data handling helps us in collection, recording and presentation of data -- organizing data makes it easy to understand and interpret.
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Mean, Mode and Median are basic statistical terminologies which you should be aware of. Arithmetic Mean is measure of the central tendency of the group of data. Mode of a set of observations is the observation in the data that occurs most often. Median refers to the value which lie in the middle of data, when arranged in increasing or decreasing order. Let's learn about them in detail.

Probability of an event helps us quantify and understand the likeliness of that event to occur.