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Which of the following statements is TRUE?
I. Compared with a modern economy, the division of knowledge is greater in a primitive economy because every family is self-sufficient: growing their own food, making their own clothes, and constructing their own shelter.
II. Nobody understands the entire process of producing even the simplest products, like a lead pencil, in a modern economy.
III. The collapse of communism and the opening of the Chinese economy to the rest of the world have increased the division of knowledge, leading to increased world output.
Hand-picked
Selected with great care or with particular criteria in mind.
T-statistic
A value used in statistical analysis that measures the size of the difference relative to the variation in a sample data set.
Group Comparison Study
A research method that involves comparing two or more groups to assess differences or similarities regarding specific variables.
Independent Samples
Refers to two or more groups of responses that are obtained from distinct populations and not related or connected in any way.
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