I a Correlation Coefficient of -1 or +1 Indicates Perfect

question 95

Multiple Choice

i. A correlation coefficient of -1 or +1 indicates perfect correlation. ii. The strength of the correlation between two variables depends on the sign of the coefficient of correlation.
iii. If the coefficient of correlation is -0.90, the coefficient of determination is -0.81.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) is a correct statement but not (ii) or (iii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

Understand the concept and implications of chronic budget deficits.

Recognize the role of rent-seeking behavior and other mechanisms in government policy.

Comprehend the use of fiscal policy to stimulate economic activities.

Identify government failure and its causes.

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Definitions:

Criminal Behavior

Criminal behavior encompasses acts in violation of the law that are intentional and conscious, often analyzed within the context of biological, psychological, and social factors.

ABAB Design

A research design involving four phases: baseline (A), intervention (B), return to baseline (A), and reintroduction of the intervention (B), used to determine the effect of an intervention.

Internal Validity

The extent to which a study can demonstrate a cause-and-effect relationship between variables, without influence from external factors.

External Validity

The degree to which the outcomes of research can be applied to different contexts and populations beyond the experimental environment.