In Testing for Differences Between the Means of 2 Related $n - 1$

question 206

Multiple Choice

In testing for differences between the means of 2 related populations where the variance of the differences is unknown, the degrees of freedom are

• A)\(n - 1\)
• B)\(n _ { 1 } + n _ { 2 } - 1.\)
• C)\(n _ { 1 } + n _ { 2 } - 2.\)
• D)\(n - 2.\)

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Definitions:

Abilities

The physical or mental skills and talents that an individual possesses, which can vary greatly between persons.

Age

The length of time that a person has lived or a thing has existed.

Reinforcing Factors

Elements that increase the likelihood of a person adopting or continuing a health-related behavior.

Precontemplation Stage

The stage of behavior change where the individual is not yet considering change or is unaware of the need to change.