A Researcher Is Conducting a Chi-Square Test for Independence to Evaluate

question 14

Multiple Choice

A researcher is conducting a chi-square test for independence to evaluate the relationship between gender and preference for three different designs for a new automobile.Each individual in a sample of n = 30 males and n = 30 females selects a favorite design from the three choices.If the researcher obtains a chi-square statistic of χ² = 4.81,what is the appropriate statistical decision for the test?

• A)Reject the null hypothesis with α = .05 but not with α = .01
• B)Reject the null hypothesis with either α = .05 or α = .01
• C)Fail to reject the null hypothesis with either α = .05 or α = .01
• D)There is not enough information to determine the appropriate decision.

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Definitions:

Quadriplegia

Paralysis of all four limbs, typically resulting from injury or illness affecting the spinal cord.

Hemiparesis

Weakness or partial paralysis affecting one side of the body.

Amyotrophic Lateral Sclerosis

A progressive neurodegenerative disease that affects nerve cells in the brain and the spinal cord, leading to muscle weakness and atrophy.

Nerve Cells

Specialized cells that transmit nerve impulses; the basic building blocks of the nervous system, also known as neurons.