5. Correlational statistics
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Descriptive statistics analyze at single variables *
1 point
Correlational statistics relate two variables *
1 point
A positive correlation indicates that when x increases, y decreases *
1 point
A zero correlation: no relationship between x and y *
1 point
The following statistics are derived from regression analysis *
1 point
In a regression of parental education on student performance, the intercept is the value of student performance when parents have completed primary education *
1 point
In a regression of parental education on student performance, the slope measures changes in student performance for an increase in one year of schooling in parental education *
1 point
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