In testing the difference between two population parameters,if the confidence interval for the difference contains 0,then the corresponding null hypothesis will not be rejected.

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If the confidence interval for the difference contains 0, it means that the difference is not statistically significant and there is a possibility that the two population parameters are equal. In this case, the corresponding null hypothesis (H0: population 1 parameter - population 2 parameter = 0) will not be rejected.

In Testing the Difference Between Two Population Parameters,if the Confidence