Which of the Following Statements About the Scheffé Test Is

question 33

Multiple Choice

Which of the following statements about the Scheffé test is correct?

• A) If the difference between each pair of means falls inside the range of the confidence interval, then the null hypothesis is rejected.
• B) If the difference between each pair of means falls outside the range of the confidence interval, it can be concluded that the pairs of means are statistically similar.
• C) It is equivalent to simultaneous two-tailed hypothesis tests.
• D) The confidence intervals tend to be narrower in this method than in other methods.
• E) The test identifies differences between all pairs of means at high confidence interval ranges but not at low confidence interval ranges.