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\(\pi\)
e
\(\frac{a}{b}\)
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→
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\(\sqrt{\,}\)
\(a^{b}\)
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\(\div\)
log
ln
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\(\times\)
cos
cos⁻¹
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sin
sin⁻¹
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tan
tan⁻¹
Over my last 5 basketball games, I scored these points: $$15,\, 20,\, 10,\, 2,\, 5$$Find the standard deviation, rounded to 1 decimal places.
\(\sigma \approx\)
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