Standard Error of the Mean Calculator: SEM from Raw Sample Data
Calculate the standard error of the mean (SEM) from raw sample data online. Enter your values to get sample standard deviation, sample size, mean, and SEM for faster confidence interval and hypothesis test work.
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.