Data task 54: A New Zealand Level 2 learner connects multiple ideas in an applied local or national context. Two groups have sizes 32 and 36, with means 61 and 65. What is the combined mean?

Data task 54: A New Zealand Level 2 learner connects multiple ideas in an applied local or national context. Two groups have sizes 32 and 36, with means 61 and 65. What is the combined mean?

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