Breathing rates, in breaths per minute, were measured for a group of 10 subjects at rest, and
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Find a 95% confidence interval for the increase in breathing rate due to exercise.
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Subject Exercise Rest 15 30 2 16 37 3 21 39 4 17 37 5 18 40 15 39 19 34 8. 21 40 18 38 10 14 34
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