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Given below are the analysis of variance results from SPSS. Assume that you want to use a 0.05 significance level in testing the null hypothesis that the different samples come from populations with the same mean.
11) What can you conclude about the equality of the population means?
Source DF SS MS F p
Treatment 3 13.500 4.500 5.17 0.011
Error 16 13.925 0.870
Total 19 27.425
A) Reject the null hypothesis and conclude that at least two of the means differ significantly.
B) Do not reject the null hypothesis, conclude that at least two of the means differ significantly.
C) Fail to reject the null hypothesis and conclude at least one pair of means is the same.
D) Accept the null hypothesis and conclude the means are all different.
E) Reject the null hypothesis and conclude all the means are the same.
A) Reject the null hypothesis and conclude that at least two of the means differ significantly.