Standard deviation measures how spread out the values in a dataset are from the mean. A low standard deviation means values cluster tightly; a high one means they are spread out. It is the square root of variance.
⭐
Did You Know?
Six Sigma is a quality standard meaning 99.99966% of products are defect-free — only 3.4 defects per million opportunities. It gets its name from 6 standard deviations from the mean.
Пов'язані статтіEN
🔒
100% Безкоштовно
Без реєстрації
✓
Точно
Перевірені формули
⚡
Миттєво
Результати при введенні
📱
Мобільний
Всі пристрої