Data task 14: A New Zealand Level 2 learner connects multiple ideas in an applied local or national context. Two groups have sizes 24 and 32, with means 57 and 67. What is the combined mean?

Data task 14: A New Zealand Level 2 learner connects multiple ideas in an applied local or national context. Two groups have sizes 24 and 32, with means 57 and 67. What is the combined mean?

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