The final examination grades of random samples of students from three different classes are shown below.
At the = .05 level of significance,is there any difference in the mean grades of the three classes?
Definitions:
Amygdala
A region of the brain's temporal lobe involved in processing emotions such as fear, anger, and pleasure.
Extraversion
A personality trait typified by outgoing, energetic, and sociable behaviors.
Gregariousness
The quality of being sociable, outgoing, and enjoying the company of others.
Assertiveness
The quality of being self-assured and confident without being aggressive, in expressing one’s needs and opinions.
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