A 90 confidence interval for the difference between the

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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. A two-sided two-sample t-test testing for a difference between the two population means is not rejected at the 10% significance level.

B. The standard error of the difference between the two observed sample means is 2.6.

C. A two-sided paired t-test testing for a difference between the two population means is not rejected at the 10% significance level.

D. A two-sided two-sample t-test testing for a difference between the two population means is rejected at the 10% significance level.

E. A two-sided paired t-test testing for a difference between the two population means is rejected at the 10% significance level.

F. None of the above.

Reference no: EM13615478

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