normal distribution
Normal distribution
A standard normal distribution has a mean of 0 and standard deviation of 1 This is also known as the z distribution You may see the notation (N(mu, sigma
เว็บไซต์ normal distribution A standard normal distribution has a mean of 0 and standard deviation of 1 This is also known as the z distribution You may see the notation (N(mu, sigma normal distribution Standard normal distribution can be used to solve problems related to probabilities of events occurring The area under the curve of the standard normal
normal distribution Properties of a Normal Distribution · The normal curve is symmetrical about the mean; · The mean is at the middle and divides the area into two halves; · The Normal Distribution · mean = median = mode · symmetry about the center · 50% of values less than the mean and 50% greater than the mean 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
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