Normal Distribution

normal distribution  The Probability Density Function for a Normal X ∼ N is: f X = 1 σ 2 π e − 2 2 σ 2 Notice the x in the exponent of the PDF The Normal Distribution The Standard Normal curve, shown here, has mean 0 and standard deviation 1 If a dataset follows a normal distribution, then about 68%

A normal quantile plot shows a normal distribution as a straight line instead of as a bell curve If your data are normal, then the data values will fall close A normal quantile plot shows a normal distribution as a straight line instead of as a bell curve If your data are normal, then the data values will fall close

A bell-shaped curve, also known as a normal distribution or Gaussian distribution, is a symmetrical probability distribution in statistics It A continuous random variable Z is said to be a standard normal random variable, shown as Z∼N, if its PDF is given by fZ=1√2πexp{−