(Answered) Psychology and human behaviorour emotional reaction to

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Psychology and Human Behavior

Our emotional reaction to different colors affects advertising, product design, and even architecture. Three subway-tunnel walkways of identical length were painted different colors. A random sample of adults was selected in each tunnel and secretly timed (in seconds) as they walked through the tunnel. The data are given in the following table.

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Use the Kruskal-Wallis test with a = 0.01 to determine whether there is any evidence that the tunnel-walking-time populations are different. Assume the underlying populations are continuous.

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