In the remaining 33 states, the Common Core standards were clearly superior to state standards in both math and English. The quality of standards is not the only determinant of educational progress, of course.
Independent Variable: An independent variable is the variable you have control over, what you can choose and manipulate. It is usually what you think will affect the dependent variable. In some cases, you may not be able to manipulate the independent variable. It may be something that is already there and is fixed, something you would like to evaluate with respect to how it affects something else, the dependent variable like color, kind, time.
COVARIANCE, REGRESSION, AND CORRELATION 45 Example 2. Returning to Table 2.1, the preceding formulae can be used to char-acterize the relationship between maternal weight and offspring number in rats.Here we take offspring number as the response variable y and maternal weightas the predictor variable x.