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Suppose that for two random variables,x and y,we test H0 : ρ = 0 against a two-sided alternative,and we are unable to reject the null hypothesis.We could therefore conclude that there is no relationship between x and y.
Independent Variable
In an experimental setting, the variable that is manipulated or changed to observe its effect on the dependent variable.
Randomly Assigned
A method used in experimental research where participants are allocated to different groups in a way that every individual has an equal chance of being assigned to any group.
Levels
Distinct layers or degrees within a structure, organization, or system, often used to describe rankings, stages of development, or the complexity of something.
Causal Influence
The effect that one variable, event, or action has in directly causing another.
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