Data task 64: A New Zealand Level 3 learner evaluates evidence and justifies a conclusion in a complex context. A normal model has mean 74 and standard deviation 6. What is the z-score of 86?

Data task 64: A New Zealand Level 3 learner evaluates evidence and justifies a conclusion in a complex context. A normal model has mean 74 and standard deviation 6. What is the z-score of 86?

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