Association: contingency, correlation, and regression
12 important questions on Association: contingency, correlation, and regression
What is the response variable?
What is the explanatory variable?
In a scatter graph, where is the explanatory variable placed?
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When doe we speak of an association?
What is a contingency table?
What is the cross-tabulation of data?
What is a marginal proportion?
de verhouding van het totaal kijkend vanaf de response variable.
Describe:
- the explanatory, and the response variable
- the conditional proportions
- the marginal proportions
- 2240/3171 en 386/1829
- 2626/5000 en 2374/5000
Wat is een marginal proportion?
What is a scatterplot?
Describe the formula of r and describe all symbols
r is correlation
n is amount of observations
z(x) is z score of one variable
z(y) is z score of the other variable.
What is a quadrant?
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