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Learn about the properties of a normal distribution, such as symmetry, mean, median, and mode. Discover how the area under the curve between one and two standard deviations relates to percentages. Explore key values and concepts in statistics.
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Normal Distribution: Symmetric: Mean = Median = Mode
50 % 50 %
Normal Distribution: The area of the distribution falling between the mean and a value one standard deviation from the mean is 34.13%
= 30 = 5 20 25 30 35 40
= 30 = 5 34.13% 34.13% 20 25 30 35 40
Normal Distribution: 13.59 % of the distribution lies between a value that is one standard deviation from the mean and the value that is two standard deviations from the mean.
= 30 = 5 20 25 30 35 40
= 30 = 5 13.59% 13.59% 20 25 30 35 40
Normal Distribution: 2.28% of the distribution lies beyond a value that is two standard deviations from the mean.
= 30 = 5 20 25 30 35 40
= 30 = 5 2.28 % 2.28 % 20 25 30 35 40
Normal Distribution 34.13% 34.13% 13.59% 13.59% 2.28% 2.28% 50% 50 %