I If Samples Taken from Two Populations Are Not Independent

question 22

Multiple Choice

i. If samples taken from two populations are not independent, then a test of paired differences is applied.
Ii) The paired difference test has (n - 1) degrees of freedom.
Iii) The paired t test is especially appropriate when the sample sizes of two groups are the same.

• 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) and (iii) are correct statements but not (i).
• E) (ii) is a correct statement, but not (i) and (iii).

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Definitions:

Social Life

The part of an individual's life that involves interaction with others in society, including participation in social activities and events.

Stable

Characterized by consistency, reliability, and lack of volatility, often used to describe economic, environmental, or psychological conditions.

Contrast

In the context of comparison, this term refers to highlighting the differences or disparities between two or more entities, concepts, or phenomena.

Victimless Crimes

Legal offenses where all involved parties consent and no direct victim is apparent, such as gambling or drug use in certain contexts.