Mathematics, 12.02.2021 14:00 mella98
To study the long-term effects of preschool programs for poor children, researchers designed an experiment. They recruited 123 children who had never attended preschool from low-income families in Michigan. Researchers randomly assigned 62 of the children to attend preschool (paid for by the study budget) and the other 61 to serve as a control group who would not go to preschool. One response variable of interest was the need for social services as adults. Over a 10-year period, 38 children in the preschool group and 49 in the control group have needed social services.
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Mathematics, 21.06.2019 17:00
Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1
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Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):
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To study the long-term effects of preschool programs for poor children, researchers designed an expe...
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