Question: It is possible to obtain a quick and dirty estimate of the mean of a normal distribution from the fiftieth percentile value on a normal

It is possible to obtain a “quick and dirty” estimate of the mean of a normal from the fiftieth percentile value on a normal probability plot. Provide an argument why this is so. It is also possible to obtain an estimate of the standard deviation of a normal by subtracting the sixty-fourth percentile value from the fiftieth percentile value. Provide an argument why this is so.

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