In an experimental design that has three levels of the independent variable, a significant F value indicates that
a. the three means are all equal.
b. the three means are not the same, but we cannot tell which means are different from each other.
c. all three means are different from each other.
d. two means are equal, but the third one is different.
Question 2
Which of the following statements is true?
a. The t test is a special case of the F test.
b. The t test can be used to compare two or more means.
c. The F test can be used only to compare two means.
d. The t test is used in correlational research, but the F test is used in experimental research.
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