If a Set of Data Is Approximately Normally Distributed,we Would $\pm$

question 54

Multiple Choice

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

• A)2 of every 3 observations would fall between \(\pm\) 1 standard deviation around the mean.
• B)4 of every 5 observations would fall between \(\pm\) 1.28 standard deviations around the mean.
• C)19 of every 20 observations would fall between \(\pm\) 2 standard deviations around the mean.
• D)All the above.

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