If We Are Testing for the Difference Between the Means

question 69

Multiple Choice

If we are testing for the difference between the means of 2 independent populations presuming equal variances with samples of n₁ = 20 and n₂ = 20,the number of degrees of freedom is equal to

• A)39.
• B)38.
• C)19.
• D)18.

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Definitions:

Children Under 18

Individuals who are legally recognized as minors and have not yet reached the age of majority, which is typically 18 years in many countries.

Percentage

A proportion or share in relation to a whole, represented as a fraction of 100.

Urban

Refers to areas, characteristics, or living conditions that are typical of a city or town.

Upper-Middle-Class

A socioeconomic class characterized by high income, significant cultural capital, advanced educational achievements, and a comfortable lifestyle.