ecech.

Tools tagged #data

Every ecech. tool tagged data: 3 free calculators and utilities across Math & Statistics, Productivity & Units. No signup, runs in your browser.

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MB to GB

The reason your 1 TB drive shows 931 GB, settled. Convert in base-10 or base-2, see both answers side by side, and find out which one your operating system uses.

Converters
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Percent of Total

Three equal parts are 33.3% each, which sums to 99.9. Rounding each value correctly does not fix it. Largest-remainder allocation does.

Math
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Standard Deviation

Population divides by n, sample divides by nāˆ’1, and on eight values they differ by 6.9%. Almost all real data is a sample, so the default most tools use is the wrong one.

Math

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