Data task 44: A New Zealand Level 3 learner evaluates evidence and justifies a conclusion in a complex context. A normal model has mean 70 and standard deviation 4. What is the z-score of 78?

Data task 44: A New Zealand Level 3 learner evaluates evidence and justifies a conclusion in a complex context. A normal model has mean 70 and standard deviation 4. What is the z-score of 78?

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