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balandron [24]
3 years ago
5

About ___% of children score within one standard deviation above or below the national average in intelligence.

Computers and Technology
1 answer:
goldfiish [28.3K]3 years ago
4 0
The question is not influenced by the fact that it's about intelligence -  standard deviation is a way of describing data and it's the same for all kinds of data.

So in general, one  standard deviation away from the mean in both directions encompases around 66% of the cases - so here it would be 66% of children.

Additionally, 95% of all children should lie withing two standard deviations - so two standard deviations below or above the average.
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