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HL Practice Solutions - Type I & II

The following questions are the solutions to the practice questions.These solutions are designed to make it clear how to: (a) calculate the critical values and hence the corresponding Type II error (b) through annotating the graphs, help to develop a strong conceptual understanding of what a Type II error is/represents, and how this changes according to the (i) significance level (ii) HA greater than, less than, or not...

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