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regression toward the mean
(redirected from Reversion to the mean)

   Also found in: Financial, Wikipedia 0.03 sec.
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Noun1.regression toward the mean - the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x)
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
statistical method, statistical procedure - a method of analyzing or representing statistical data; a procedure for calculating a statistic
regression analysis - the use of regression to make quantitative predictions of one variable from the values of another
linear regression, rectilinear regression - the relation between variables when the regression equation is linear: e.g., y = ax + b
curvilinear regression - the relation between variables when the regression equation is nonlinear (quadratic or higher order)


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It is more a case of reversion to the mean as far as MSM is concerned," reckons Ahmad, who believes that there was no need for governments in the region to pump in funds that could only provide a short-term solution.
Hence, besides central bank interventions, different beliefs among market participants regarding the equilibrium level of real exchange rates have likely contributed to the nonlinear reversion to the mean in these countries.
With respect to students and test scores, reversion to the mean suggests that students with scores in the upper or lower tail of the test-score distribution are likely to perform closer to the average when tested more than once.
 
 
 
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