An industrial engineer is conducting an experiment on eye focus time. He is interested in the effect of the distance of the object from the eye on the focus time. Four different distances are of interest. He has five subjects available for the experiment. Because there may be differences among individuals, he decides to conduct the experiment in a randomized block design. The data obtained follow. Analyze the data from this experiment (use α = 0.05) and draw appropriate conclusions.

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Subject Distance (ft) 1 3 4 5 4 10 6. 6 7 6 1 8 5 3 2 5 10 4 3 2. 6634