Which of the following confidence intervals also points out a significant difference between treatments with a = .05?
Estimate that m1 - m2 is in an interval between -2 and 8 with 95% confidence
Estimate that m1 - m2 is in an interval between 2 and 10 with 95% confidence
Estimate that m1 - m2 is in an interval between -2 and 8 with 90% confidence
Estimate that m1 - m2 is in an interval between 2 and 10 with 90% confidence