13. Sleep deprived transportation workers. The National Sleep Foundation conducted a survey on the sleep habits of rando

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13 Sleep Deprived Transportation Workers The National Sleep Foundation Conducted A Survey On The Sleep Habits Of Rando 1 (359.51 KiB) Viewed 51 times

13. Sleep deprived transportation workers. The National Sleep Foundation conducted a survey on the sleep habits of randomly sampled transportation workers and randomly sampled non-transportation workers that serve as a "control" for comparison. The results of the survey are shown below. (N. S. Foundation 2012) Less than 6 hours 6 to 8 hours More than 8 hours Profession Total 35 193 64 292 Non-transportation workers 104 499 192 795 Transportation workers Total 139 692 256 1,087 Conduct a hypothesis test to evaluate if these data provide evidence of an association between sleep levels and profession.