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hram777 [196]
3 years ago
11

Under the normal curve, approximately what percent of scores fall between and -1 to +1 standard deviations around the mean?

Mathematics
1 answer:
prohojiy [21]3 years ago
3 0
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)
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