If the confidence interval estimate for the regression slope coefficient, based on the sample information, crosses over 0, then the true population regression slope coefficient could be 0.

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Quizplus · Accepted Answer

If the confidence interval crosses over 0, it means that the estimate is not significantly different from 0, and therefore there is a possibility that the true population regression slope coefficient could be 0. However, this does not necessarily mean that it is true, as there is always some degree of uncertainty involved in statistical inference.

If the Confidence Interval Estimate for the Regression Slope Coefficient