A Researcher Is Using a Chi-Square Test to Determine Whether

question 34

Multiple Choice

A researcher is using a chi-square test to determine whether there are any preferences among 4 brands of orange juice. With alpha = 0.05 and n = 30, the critical region for the hypothesis test would have a boundary of:

• A) 7.81
• B) 8.71
• C) 8.17
• D) 42.25

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Definitions:

Concrete Operational Thought

A stage in Piaget's theory of cognitive development during which children gain the ability to think logically about concrete events and understand the concept of conservation.

Conceptual Knowledge

The understanding of principles and relations among objects, facts, and ideas within a certain domain.

Declarative Knowledge

Knowledge that can be consciously recalled, such as facts and information.

Vegetation

Plant life or plant communities collectively, commonly referred to in terms of the physical environment they occupy.