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Under the normal curve, approximately what percent of scores fall between and -1 to +1 standard deviations around the mean?
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Under the normal curve, approximately what percent of scores fall between and -1 to +1 standard deviations around the mean?
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Aug 25, 2019
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Under the normal curve, approximately what percent of scores fall between and -1 to +1 standard deviations around the mean?
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Abuder
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According to the empirical rule, roughly 68% of the scores fall between z = -1 and z = 1
You can use a calculator to get a more approximate answer. If you have a TI calculator, you can use the "normalcdf" function to type in normalcdf(-1,1)
Vijay Makwana
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Aug 31, 2019
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Vijay Makwana
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