| \(\style{font-family:Times New Roman;}{{\overline x}_A}\) | \(\style{font-family:Times New Roman;}{{\overline x}_B}\) | \(\style{font-family:Times New Roman;}{{\overline x}_C}\) | \(\style{font-family:Times New Roman;}{{\overline x}_D}\) |
|
| 50 | 60 | 63 | 70 | Sample means |
What is the appropriate interpretation of this summary from a multiple comparison of means procedure?
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None of the means appears to differ significantly.
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The mean of population C appears to be smaller than the mean of population D.
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The mean of population A appears to be smaller than the mean of population D.
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The mean of population A appears to be smaller than the mean of population C.