Mathematics · Normal Distribution and Statistics

In a normal distribution, approximately what proportion of values falls within one standard deviation (±1σ) of the mean?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

10.99
20.95
30.68✓
40.50

Correct answer

0.68

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In a normal distribution, approximately what proportion of values falls within one standard deviation (±1σ) of the mean?

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In a normal distribution, approximately what proportion of values falls within one standard deviation (±1σ) of the mean?

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