The researcher calculates a 95% confidence interval for the mean difference. 0 is not captured in the interval. What would this suggest?
A) The mean difference is not significant
B) The mean difference is significant
C) The mean difference has little to no effect
D) The data is skewed because there are no negative values in the confidence interval of the mean difference.

Question

Quizplus · Accepted Answer

If 0 is not captured in the confidence interval, it means that the mean difference is significant at the 95% confidence level. This suggests that there is evidence to support the hypothesis that the mean difference is different from 0.

The Researcher Calculates a 95% Confidence Interval for the Mean