The 95% confidence interval for the difference between two treatment means extends from-2.50 to +5.50.Based on this information,you can conclude that there is no significant difference between the treatments at the .05 level of significance.

Question

The 95% confidence interval for the difference between two treatment means extends from-2.50 to +5.50.Based on this information,you can conclude that there is no significant difference between the treatments at the .05 level of significance.​

Quizplus · Accepted Answer

The 95% confidence interval for the difference between two treatment means includes 0, which means that we cannot reject the null hypothesis of no difference between the treatments at the 0.05 level of significance. Therefore, we can conclude that there is no significant difference between the treatments at the 0.05 level of significance.

The 95% Confidence Interval for the Difference Between Two Treatment