DIG Stats: Cigarettes

1. Which has the smaller standard deviation?
     Nicotine: 0.35
     Tar: 5.66
     Nicotine has the smaller standard deviation.

2. What is the range for the tar?
     The range for the tar is 28.8.

3. What is the range for the nicotine?
     The range for the nicotine is 1.9.

4. Which data set, the tar or the nicotine, has data points that tend to cluster around its mean?
     Nicotine has data points that tend to cluster around the mean.