Test Score Standard Deviation Calculator: Class, Exam, and Quiz Score Spread from Raw Results
Calculate standard deviation for test scores from raw results online. Enter exam, quiz, or assessment scores to get mean, sample or population SD, variance, standard error, count, min, max, and range in one workflow.
12 values
Instant Math
Use when your data represents a subset of a larger population. Applies Bessel's correction.
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Input your numbers into the Standard Deviation Calculator panel to see real-time statistics, variance, and normal distribution charts.