A Study Has Three Groups, Each with an Equal Number

question 35

Multiple Choice

A study has three groups, each with an equal number of participants. The population variance is estimated from the variance within each group, giving three estimates, 54.4, 48.6, and 50.9. What is the within-group estimate of the population variance?

• A)(54.4 + 48.6 + 50.9)/(3-1)= 76.95
• B)(54.4 + 48.6 + 50.9)/3 = 51.3
• C)(54.4 + 48.6 + 50.9)/(3 + 1)= 38.48
• D)(54.4 + 48.6 + 50.9)/(3 + 2)= 30.78

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Definitions:

Conformity Pressures

The social forces that compel individuals to adapt their thoughts, feelings, or behaviors in order to align with those of a group or society.

Online Groups

Communities or collectives that interact and communicate primarily through digital platforms, such as forums, social media, or messaging apps.

Compliance

The act of conforming to a wish, request, or law, often due to social pressure or authority without necessarily agreeing with it.

Informational Influence

A form of social influence involving the change in beliefs or behavior that occurs when an individual accepts information from others as evidence about reality.