Examlex
Which of the following neurotransmitters acts as a natural painkiller and mood elevator?
Level Of Significance
The likelihood of incorrectly dismissing the null hypothesis in a statistical analysis, commonly symbolized by alpha (α), when it is in fact correct.
Null Hypothesis
A statement or assumption in a hypothesis test that there is no significant effect or difference, to be tested against the alternative hypothesis.
Scatterplot
A graph in which the values of two variables are plotted along two axes, the pattern of the resulting points revealing any correlation present.
Linear Relationship
A relationship between two variables where the change in one variable is directly proportional to the change in another.
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