test 3 AA
Identify the choice that best completes the statement or answers the question.
____ 1. For an ANOVA comparing three treatment conditions, what is stated by the alternative hypothesis (H1)?
a. There are no differences between any of the population means. b. At least one of the three population means is different from another mean. c. All three of the population means are different from each other. d. None of the other choices is correct.
____ 2. On average, what value is expected for the F-ratio if the null hypothesis is true?
a. 0 c. k – 1 b. 1.00 d. N – k
____ 3. A research study comparing three treatments with n = 5 in each….