Which of the Following Statements Are Not True?
A) the Two-Sample

question 31

Multiple Choice

Which of the following statements are not true?

• A) The two-sample t test is more flexible than the F test when the number of treatments or populations is 2.
• B) The two-sample t test is valid without the assumption that the two population variances are equal.
• C) The two-sample t test can be used to test \(H _ { \pm } : \mu _ { 1 } > \mu _ { 2 } \text { or } H _ { \pm} : \mu _ { 1 } < \mu _ { 2 }\)
• As well as \(H _ { \pm } : \mu _ { 1 } \neq \mu _ { 2 }\)
• )
• D) The F test can be used to test \(H _ { \pm } : \mu _ { 1 } > \mu _ { 2 } \text { or } H _ { \pm } : \mu _ { 1 } < \mu _ { 2 }\)
• As well as \(H _ { \pm} : \mu _ { 1 } \neq \mu _ { 2 }\)
• )
• E) When the number of treatments or populations is at least 3, there is no general test procedure known to have good properties without assuming equal populations variances.

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