The study also found that women who were not optimistic were more likely to smoke and have high blood pressure or diabetes.

VOA: special.2009.04.15

Well, let's do the smoke test number one: is the mean more or less what we expected?

好了，让我们先做1号发烟测试：,这个平均值是和我们想要的答案差不多吗？

麻省理工公开课 - 计算机科学及编程导论课程节选