19. The amount of oxygen consumption was measured in six individuals over two 10-minute periods while sitting with their eyes closed. During one period, they listened to an exciting adventure story; during the other, they heard restful music. Based on the results shown, is oxygen consumption less when listening to the music? Use the .01 significance level. (a) Use the steps of hypothesis testing. (b) Sketch the distributions involved. (c) Explain your answer to someone who understands mean, standard deviation, and variance but knows nothing else about statistics. Participant Story Music 1 6.12 5.39 2 7.25 6.72 3 5.70 5.42 4 6.40 6.16 5 5.82 5.96 6 6.24 6.08
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