A chi-square test for independence with 8 degrees of freedom results in a test statistic of 18.21.Using the chi-square table,the most accurate statement that can be made about the p-value for this test is that:
A) p-value 0.20.
B) 0.025 p-value 0.01.
C) 0.05 p-value 0.025.
D) 0.10 p-value 0.05.
E) 0.20 p-value 0.10.

Question

A chi-square test for independence with 8 degrees of freedom results in a test statistic of 18.21.Using the chi-square table,the most accurate statement that can be made about the p-value for this test is that:
A) p-value > 0.20.
B) 0.025 > p-value > 0.01.
C) 0.05 > p-value > 0.025.
D) 0.10 > p-value > 0.05.
E) 0.20 > p-value > 0.10.

Quizplus · Accepted Answer

For a chi-square test with 8 degrees of freedom, a test statistic of 18.21 falls between the critical values corresponding to p-values of 0.025 and 0.01, indicating that the p-value for this test is between these two values.

A Chi-Square Test for Independence with 8 Degrees of Freedom