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CalcGospel 國際數學圖譜

Hypothesis Testing

Practice & Simulator (Edexcel IAL S2 Statistics)

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IAL S2 Statistics Notes

Null Hypothesis ()

The default position. Assumes no change or effect. Typically contains the equals sign.

Alternative Hypothesis ()

Accepted if the null hypothesis is rejected. Shows that there is a significant change.

Key Concept What is a p-value?

Probability of the observed result or something more extreme assuming the Null Hypothesis is true.