Examlex
Which of the tunics has a longitudinal and circular layer of smooth muscle cells?
Negative Number
A number less than zero, indicating a lack or subtraction in mathematics.
Pearson Correlation
A statistical measure that calculates the strength and direction of the linear relationship between two quantitative variables.
Pearson Correlation
A measure of linear correlation between two variables, ranging from -1 to 1, where 1 means a perfect positive linear relationship, -1 means a perfect negative linear relationship, and 0 indicates no linear relationship.
Non-Directional
Refers to a hypothesis that predicts a change or difference but does not specify the direction of the change.
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