Bivariate Data Analysis (HSC SSCE Mathematics Standard): Flashcards
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10 cards from this deck
Scatterplot definition
Scatterplot definition
Visual tool showing relationship between two variables
No relationship in scatterplot shows as
No relationship in scatterplot shows as
Data points randomly scattered with no pattern
Three characteristics to describe association
Three characteristics to describe association
Form, direction, and strength
Linear form of association
Linear form of association
Points approximately follow a straight line
Non-linear form of association
Non-linear form of association
Points follow a curved pattern, not straight line
Positive association definition
Positive association definition
As one variable increases, the other also increases
Negative association definition
Negative association definition
As one variable increases, the other decreases
Strong association characteristic
Strong association characteristic
Tight cluster of points following clear pattern
Independent variable axis location
Independent variable axis location
Horizontal axis (x-axis)
Dependent variable axis location
Dependent variable axis location
Vertical axis (y-axis)