Examlex
Which social network functionality allows users to easily post messages to the entire community?
Degrees Freedom
The number of independent pieces of information used in the calculation of a statistic, often symbolized as "df".
F-ratio Equation
Used in ANOVA tests, it calculates the ratio of variation between group means to the variation within the groups.
Correlation
Mutual or reciprocal relationship between two variables such that systematic changes in the values of one variable are accompanied by systematic changes in the values of another variable.
Regression
Use of a relationship between two or more correlated variables to predict values of one variable from values of other variables.
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