Mathematics A-Level
Standard error
What Standard error means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Standard error
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Reference: Pearson Edexcel
The standard error is σ/√n, the square root of the variance σ²/n of the sample mean from n independent observations.
Topics that use Standard error
- Statistical hypothesis testing (Pearson Edexcel A-Level)
Related terms
- Binomial hypothesis tests for a proportion
- Contextual interpretation of significance
- Critical regions and p-values
- null hypothesis
- One-tailed and two-tailed critical regions
- significance level
- Test statistic
- Alternative hypothesis
Using Standard error in the exam
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