In a Chi-Square Test of a Contingency Table,the Value of the Test

question 211

Multiple Choice

In a chi-square test of a contingency table,the value of the test statistic was χ² = 12.678,and the critical value at α = 0.025 was 14.4494.Thus:

• A)we don't have enough evidence to accept or reject the null hypothesis at α = 0.025.
• B)we should decrease the level of significance in order to reject the null hypothesis.
• C)we fail to reject the null hypothesis at α = 0.025.
• D)we reject the null hypothesis at α = 0.025.

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Definitions:

Prototypes

Original forms or first models of something from which other forms are copied or developed, or a typical example of a particular category.

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A conceptual area in the mind where thoughts, feelings, and mental activities are processed.

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A phenomenon where a person may not perceive a visual stimulus if it occurs within a short time (about 200-500 milliseconds) after another stimulus.

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