In statistics, one of the most fundamental concept is the concept of central tendency.
Mean, Mode, Median, Geometric Mean and Harmonic Mean are popular central tendencies.
Do you understand these terms well enough to comfortably handle any question in your exam.
Most importantly, use them when you need in your life situations if there is ever a need.
Anyways, just for the exam purpose for now, enjoy this video on measure of central tendency.
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