Given that BMI is approximately normally distributed, present the following summary statistics for BMI of smokers and nonsmokers (Hint: Think about ST3001.).
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Smokers |
Nonsmokers |
Mean |
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Standard deviation |
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Use this table to answer the following questions based on your individual data. For each response, write a one-sentence explanation for how Excel was used to assist you in your computations.
1. Find the percent of smokers expected to have a BMI of greater than 25 (overweight).
2. Find the percent of nonsmokers expected to have a BMI of less than 18.5 (underweight).