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In given problem you drew three conclusions based on HSD tests. Each could be wrong. For each conclusion, identify what type of error is possible.
Problem Many college students are familiar with meditation exercises. One question about meditation that has been answered is: Are there physiological effects? The data that follow are representative of answers to this question. These data on oxygen consumption (in cubic centimeters per minute) are based on Wallace and Benson's article in Scientific American (1972). Analyze the data. Include HSD tests and an interpretation that describes the effect of meditation on oxygen consumption.
Oxygen consumption (cc/min)
Subjects
Before meditation
During meditation
After meditation
S1
175
125
180
S2
320
290
315
S3
250
210
S4
270
215
260
S5
220
190
240
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