When a confidence interval for the difference of two population means contains the value 0, it suggests that there is no significant difference between the means of the two populations. It implies that any observed difference is likely due to random sampling variability and not a true difference.
Related terms
Null Hypothesis: The null hypothesis states that there is no significant relationship or difference between variables.
Alternative Hypothesis: The alternative hypothesis contradicts or negates the null hypothesis by suggesting there is a significant relationship or difference.
Type I Error: A type I error occurs when we reject the null hypothesis when it's actually true, meaning we mistakenly believe there's a significant effect or relationship.