when there is no relation between the variables
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The correlation coefficient is zero when there is no linear relationship between two variables, meaning they are not related in a linear fashion. This indicates that changes in one variable do not predict or explain changes in the other variable.
Yes, correlations can be measured using statistical methods such as Pearson's correlation coefficient or Spearman's rank correlation coefficient. These measures quantify the strength and direction of the relationship between two variables.
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Researchers term the situation as correlation. Correlation indicates a statistical relationship between two variables, showing how they move together but not necessarily implying causation. The strength and direction of the correlation can provide insights into the relationship between the variables.
The term you are looking for is "correlation." This refers to a statistical measure that indicates the extent to which two or more variables fluctuate together. A positive correlation means the variables move in the same direction, while a negative correlation means they move in opposite directions.
There is a correlation between unemployment and divorce, as financial strains can contribute to marital difficulties and ultimately lead to a higher likelihood of divorce. Unemployment can increase financial stress and strain on a marriage, which can impact the overall stability and satisfaction of the relationship, potentially leading to a higher divorce rate.