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16-09-2022
Mathematics

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An oranger grower wishes to compute the average yield from her orchard. The orchard contains three varieties of trees: 50% of her trees are of variety A, 35% of variety B, and 15% of variety C. The orange grower takes a survey by sampling a certain number of trees of each variety.

(a) Suppose that in her survey, she found that each tree of variety A averages 100 oranges, each tree of variety B averages 50 oranges, and each tree of variety C averages 90 oranges. Estimate the average yield per tree of her orchard. (b) Is the yield found in part (a) a parameter or a statistic?

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