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a graph in which the values of two variables are plotted along two axes, the pattern of the resulting points revealing any correlation present.

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-Google
Video- https://www.youtube.com/watch?v=r7zsYcxgWEA

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-interdependence of variable quantities.
-a quantity measuring the extent of interdependence of variable quantities.

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A positive correlation is a relationship between two variables where if one variable increases, the other one also increases. A positive correlation also exists in one decreases and the other also decreases.

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Negative correlation is a relationship between two variables in which one variable increases as the other decreases, and vice versa. In statistics, a perfect negative correlation is represented by the value -1.00, while a 0.00 indicates no correlation and a +1.00 indicates a perfect positive correlation.

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When two sets of data are strongly linked together we say they have a High Correlation. The word Correlation is made of Co- (meaning "together"), and Relation. Correlation is Positive when the values increase together, and. Correlation is Negative when one value decreases as the other increases.

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In statistics, the correlation coefficient measures the strength and direction of a linear relationship between two variables on a scatter plot. ... A perfect downhill (negative) linear relationship. –0.70. A strong downhill (negative) linear relationship.

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A weak correlation means that as one variable increases or decreases, there is a lower likelihood of there being a relationship with the second variable.

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group of similar thingspositioned or occurring closely together.

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a outlier is a point which falls more than 1.5 times the interquartile range above the third quartile or below the first quartile.

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a line indicating the general course or tendency of something, e.g., a set of points on a graph.

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A line of best fit is a straight line drawn through the center of a group of data points plotted on a scatter plot. Scatter plots depict the results of gathering data on two variables.