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parametric statistic

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Noun1.parametric statistic - any statistic computed by procedures that assume the data were drawn from a particular distribution
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
statistic - a datum that can be represented numerically
regression coefficient - when the regression line is linear (y = ax + b) the regression coefficient is the constant (a) that represents the rate of change of one variable (y) as a function of changes in the other (x); it is the slope of the regression line
coefficient of correlation, correlation coefficient, correlation - a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation); "what is the correlation between those two variables?"


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The real issue here is that if his indictment of parametric statistics is justified, then we need to pay attention, because psychologists and other social scientists use these tools daily.
mean and range, then a section on parametric statistics (t-test, regression), a section on non-parametric statistics and one that we seldom encounter where multivariate statistics are covered.
The alleged problems of Likert response formats are all testable and correctable and the F-ratio and many other parametric statistics and tests are incredibly robust to violations of the interval scale assumption.
 
 
 
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