Examlex
The three most commonly used graphs in research are the histogram, the
, and the cumulative frequency graph (ogive).
Positive Correlation
A statistical relationship in which the values of two variables increase together or decrease together.
Negative Correlation
A statistical relationship in which the value of one variable increases while the other variable decreases.
Correlational Study
A type of research method that examines the relationship between two or more variables to determine whether they are associated or have a correlation, without implying causation.
Tentative Explanation
An initial, provisional hypothesis proposed to explain a phenomenon or observation, subject to further testing and investigation.
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