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Hello everyone, Welcome to the world of research!!!!!! Normal Distribution Or Gaussian Distribution Of Data      A normal distribution or Gaussian distribution of data is a statistical pattern that forms a symmetric, bell-shaped curve where most data points cluster around an average value, with fewer data points farther away from this average. It's a common way to describe how data is distributed in many real-world situations. Symmetrical Distribution A frequency distribution is said to be symmetrical if the frequencies are equally distributed on both the sides of central value. A symmetrical distribution may be either bell–shaped or U shaped. Deviation from Normal Distribution In the normal curve model, the mean, the median, and the mode all coincide and there is the perfect balance between the right and left values of the curve. However, the skewness and kurtosis coefficients can be used to measure how different a given distribution is from a normal distribution. Generally, t