(1 point) A 90% confidence interval for the difference between the means of two independent populations with unknown population standard deviations is found to be (-0.2, 5.4).

Which of the following statements is/are correct? CHECK ALL THAT APPLY.

A.The null hypothesis that the two population means are equal is rejected at the 10% significance level using a two-sided two-samplet

t-test.

B.The null hypothesis that the two population means are equal is rejected at the 10% significance level using a two-sided pairedt

t-test.

C.The null hypothesis that the two population means are equal is not rejected at the 10% significance level using a two-sided pairedt

t-test.

D.The standard error of the difference between the two observed sample means is 2.8.

E.The null hypothesis that the two population means are equal is not rejected at the 10% significance level using a two-sided two-samplet

t-test.

F.None of the above.