Question: Define normal distribution. Why is it important that our data sets follow at least close to a normal distribution? If our data set don't follow

Define normal distribution. Why is it important that our data sets follow at least close to a normal distribution? If our data set don't follow a normal distribution, what does that mean about the results of our analysis? Provide examples of variables that would clearly follow a normal distribution. Provide examples of variables that would clearly not follow a normal distribution.

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