Does pride really goeth before the fall, or can it be essential to one's development? Second graders read two of Aesop's fables that refer to pride in their morals, and write a short essay about whether pride is good or bad, based on...

Does standard deviation work for non-symmetrical distributions, and what does it mean? Through the use of examples, high schoolers determine the standard deviation of a variety of distributions and interpret its...

If you earned a score of 610 on the math portion of the SAT, what would be your percentile ranking? Given the mean and standard deviation of normally distributed data, find the probability of getting a particular score, or that your...