The normal distribution curve distribution pattern of the curve based on the hypothesis. The given value is representative of the series, whether it's the average median, and the mode are equal. The characteristics of a normal distribution curve is a trying to steal a bell curve upside down. (Ball Shaped) as a link from the frequency from the discovery of Quetelet and Galton in the 19th century by a study from the frequency of large data sets (Infinite Population) in fact, the data obtained from the sample (Finite Sample) will see that safekeeping from a sample in a sometimes looks similar to the curved normal distribution. If the information store is large. How often is there a way that represents a normal curve enumeration. If the report is adopted the form of a graph, to see how the distribution of data, with the mathematician Carl Gauss have made Germany people converting to make it easier to replace the value, as follows:From the equation can be seen as the primary and Z2 with logarithmic if raw scores derived from a chi-squared distribution curve usually makes the raw scores are converted to a score of c source, it will be seen that there is a standard score of witchcraft, many people who have converted the score c (Z-Scores) in the form of an area under a graph, curved, normal distribution.
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