Standard Normal Distribution

Normal distribution, the most common distribution function for independent, randomly generated variables Its familiar bell-shaped curve is

Characteristics of a Normal Distribution · Approximately 68% of values in the distribution are within 1 SD of the mean, , above or below P

normal distribution The Normal Distribution Curve and Its Applications · It is always symmetrical, with equal areas on both sides of the curve · The highest point on the curve

normalization The standard normal distribution table gives the probability of a regularly distributed random variable Z, whose mean is equivalent to 0 and the difference