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A person acting in his/her own rational self interest is selfish.
Null Hypothesis
A default hypothesis that there is no effect or no difference, used as a starting point for statistical testing.
µ = 3
A notation indicating that the mean (average) of a certain dataset or population is equal to 3.
'>' Symbol
A mathematical symbol denoting that the value on the left is greater than the value on the right.
Alternative Hypothesis
The hypothesis that proposes a difference or effect, in contrast to the null hypothesis, which asserts no effect or relationship.
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