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The mode is the most frequent answer given.

Suppose you made a questionnaire about cars and one question was:


As you can see, the most frequent answer is grey, consequently grey is the mode.

It may happen that sometimes two categories get the same highest frequency. For instance:

Modus (2)

In this case the mode is said to be undefined.

Beware that some programs tell you that black is the mode, because it is the first category with the highest score. That is wrong.

The mode should only be given for discrete variables. For continuous variables, it is strange because there are many answer options in these variables. For example, there are many options at the time that people need to run 100 meters, especially when the measurement is done in milliseconds. It's remarkable that two people have the same score, and it makes no sense to say that the mode is 34,843 seconds.

Related topics to Mode:

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My goal is to teach you how to conduct good research.


Good research provides you with better information.
With better information, you can make better decisions.
With better decisions, you can create a healthier, wealthier and freer world,
for people, fauna and flora, for current and future generations.

That is why I think it is important that  you know how to do your research well.