Samples of Equal Size Have Been Selected from Each of Three

question 80

Multiple Choice

Samples of equal size have been selected from each of three populations, producing sample proportions of 0.42, 0.38, and 0.52.The pooled sample proportion here would be

• A)0.435
• B)0.44
• C)0.465
• D)0.45
• E)It cannot determined from the information given.

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Definitions:

Human Development

The comprehensive process of physical, emotional, and psychological growth and change that occurs throughout a person's life.

Zero Correlation

Zero correlation indicates a lack of any linear relationship between two variables, meaning one variable does not predict the movement of the other.

Positive Correlation

A relationship between two variables where an increase in one variable is associated with an increase in the other variable.

Achievement Tests

Standardized tests designed to assess a person's level of skill, accomplishment, or knowledge in a specific area.