Mathematics, 02.03.2021 02:00 samanthabutryn
From generation to generation, the mean age when smokers first start to smoke varies. However, the standard deviation of that age remains constant at around 2.1 years. A survey of 42 smokers of this generation was done to see if the mean starting age is at least 19. The sample mean was 18.1 with a sample standard deviation of 1.3. STATE THE DISTRIBUTION
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From generation to generation, the mean age when smokers first start to smoke varies. However, the s...
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