Does preschool help? To study the long-term effects ofpreschool programs for poo

Question

Does preschool help? To study the long-term effects ofpreschool programs for poor children, the Hihg/Scope EducationalResearch Foundation has followed two groups of Michigan childrensince early childhood. One group of 62 attended preschool as3 and 4 year olds. A group from the same area and similarbackgrounds did not attend preschool. Over a ten-year periodas adults, 38 of the preschool sample and 49 of the control sampleneeded social services (mainly welfare). DOes the studyprovide significant evidence that children who atten preschool haveless need for social services as adults? How large is thedifference between the proportions of the preschool andno-preschool populations that require social services? Doinference to answer both questions. Be sure to explainexactly what inference you choose to do.

Explanation / Answer

To verify, does the control sample also consist of 62 children?

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