The Sequential Probability Ratio Test (SPRT) is a statistical method used for hypothesis testing that allows for data to be evaluated as it is collected, rather than requiring a fixed sample size. This approach is particularly useful in situations where it’s important to make decisions quickly, allowing researchers to determine whether to accept or reject a null hypothesis based on accumulating evidence. SPRT balances the risks of Type I and Type II errors, leading to more efficient decision-making.
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