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# (Solved): 3) If listening to Mozart while taking a test improves student performance, does smelling calming es ...

3) If listening to Mozart while taking a test improves student performance, does smelling calming essential oils have the same effect? An experiment was set up to test this. A maze was given, twice, to 20 subjects; once while smelling the calming essential oil and the other while having no smell in the room. The maze was the but slightly different, each time it was given to prevent a subject from memorizing the pattern. The order of the treatment was determined randomly by flipping a coin. The time that the person completed the maze was recorded (in seconds). The data from the experiment is given in the table below (note that smaller times are better!) same, Subject No Smell Calming Oil 1 30.6 37.9 Subject No Smell 2 48.4 38.0 3 4 60.8 36.1 56.7 40.1 5 6 7 8 9 37.1 51.6 68.5 32.4 43.7 49.0 43.3 44.5 28.2 65.2 10 65.4 51.1 11 13 12 14 15 16 17 19 18 20 53.5 64.3 47.7 53.6 58.9 54.5 43.5 37.6 43.5 87.7 62.7 58.0 52.2 53.6 47.1 Calming Oil 79.8 38.3 51.7 29.3 54.3 Do these data provide convincing evidence that the floral scent improved performance, on average? Use the four step process to support your answer.

3) If listening to Mozart while taking a test improves student performance, does smelling calming essential oils have the same effect? An experiment was set up to test this. A maze was given, twice, to 20 subjects; once while smelling the calming essential oil and the other while having no smell in the room. The maze was the same, but slightly different, each time it was given to prevent a subject from memorizing the pattern. The order of the treatment was determined randomly by flipping a coin. The time that the person completed the maze was recorded (in seconds). The data from the experiment is given in the table below (note that smaller times are betterl) Do these data provide convincing evidence that the floral scent improved performance, on average? Use the four step process to support your answer.

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