At α = 05, Test to Determine If the Means of the Three

Essay

At α = .05, test to determine if the means of the three populations (from which the following samples are selected) are equal. $$\begin{array} { c c c } \text { Sample 1 } & \text { Sample 2 } & \text { Sample 3 } \\60 & 84 & 60 \\78 & 78 & 57 \\72 & 93 & 69 \\66 & 81 & 66\end{array}$$