If a particular set of data is approximately normally distributed, we would find that approximately

If a particular set of data is approximately normally distributed, we would find that approximately
A) 2 of every 3 observations would fall between ± 1 standard deviation around the mean.
B) 4 of every 5 observations would fall between ± 1.28 standard deviations around the mean.
C) 19 of every 20 observations would fall between ± 2 standard deviations around the mean.
D) All the above.


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