The following data summarize the results from an independent-measures study comparing three treatment conditions. Treatment I II III N = 12 3 5 6 G = 60 5 5 10 ∑X2 = 392 3 1 10 1 5 6 x̅1 = 3 x̅2 = 4 x̅3 = 8 T1 = 12 T2 = 16 T3 =32 SS1 = 8 SS2 = 12 SS3 = 16 Use an ANOVA with α = .05 to determine whether there are any significant differences among the three treatment means. What correctly represents the null and alternative hypothesis? What represents the proper critical region?
The following data summarize the results from an independent-measures study comparing three treatment conditions.
Treatment
I II III N = 12
3 5 6 G = 60
5 5 10 ∑X2 = 392
3 1 10
1 5 6
x̅1 = 3 x̅2 = 4 x̅3 = 8
T1 = 12 T2 = 16 T3 =32
SS1 = 8 SS2 = 12 SS3 = 16
Use an ANOVA with α = .05 to determine whether there are any significant differences among the three treatment means.
What correctly represents the null and alternative hypothesis?
What represents the proper critical region?
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