I the Strength of the Correlation Between Two Variables Depends

question 104

Multiple Choice

i. The strength of the correlation between two variables depends on the sign of the coefficient of
Correlation.
ii. A coefficient of correlation r close to 0 (say, 0.08) shows that the relationship between two
Variables is quite weak.
iii. The coefficient of determination is found by taking the square root of the coefficient of
Correlation.

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

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Definitions:

Herding Behaviour

A social phenomenon where individuals in a group act collectively without centralized direction, often observed in financial markets, social settings, or animal behavior.

Puzzle Box Experiments

Research studies involving tasks that require animals or humans to solve problems to obtain a reward, often used to study learning and intelligence.

Thorndike

Edward Lee Thorndike, an American psychologist known for his work in comparative psychology and the law of effect.

Escape Time

The duration required to exit a situation or environment, often used in the context of emergency evacuations.