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grade 12 · STAT2-001

Standardize a data value

Subtract the mean and divide by the standard deviation with attention to sign.

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Try with a hintFresh problem · seed 786838374

A distribution has mean \(71\) and standard deviation \(8\). What is the z-score of \(55\)?

Give me one hint

Subtract the mean from the observed value.

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Math Lab is a working name for Ready Rung's separate math-learning product. Guided success and independent evidence are reported separately.