Normal distribution

aka Gaussian distribution

parent: Distributions

Khan Academy:
 * 1) Normal Distribution Excel Exercise
 * 2) Introduction to the Normal Distribution
 * 3) ck12.org Normal Distribution Problems: Qualitative sense of normal distributions
 * 4) ck12.org Normal Distribution Problems: z-score
 * 5) ck12.org Normal Distribution Problems: Empirical Rule
 * 6) ck12.org Exercise: Standard Normal Distribution and the Empirical Rule
 * 7) ck12.org: More Empirical Rule and Z-score practice