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1.04 Associations between numerical variables

Interactive practice questions

Which of the following graphs have negative correlations?

A

B

C

D

E

A

B

C

D

E
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Which of the following graphs have positive correlations?

Which of the following graphs have a nonlinear correlation?

What of the following graphs have a linear correlation?

Outcomes

ACMGM052

construct a scatterplot to identify patterns in the data suggesting the presence of an association

ACMGM053

describe an association between two numerical variables in terms of direction (positive/negative), form (linear/non-linear) and strength (strong/moderate/weak)

ACMGM056

use a scatterplot to identify the nature of the relationship between variables

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