For a chi-squared distributed random variable with 10 degrees of freedom and a level of significance of .025,the chi-squared table value is 20.4831.Suppose the value of your test statistic is 16.857.This will lead you to reject the null hypothesis.

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The critical value from the chi-squared table at a level of significance of .025 and 10 degrees of freedom is 20.4831. Since the test statistic value of 16.857 is less than the critical value of 20.4831, we fail to reject the null hypothesis. Therefore, the answer is B.

For a Chi-Squared Distributed Random Variable with 10 Degrees of Freedom