Mathematics, 23.12.2019 17:31 joshuakirby
You have estimated the following equation: test score - 607.3 +3.85 income -0.0423 income 2, test score is the average of the reading and math scores on the stanford 9 standardized test administered to sth grade students in 420 california school districts in 1998 and 1999. income is the average annual per capita income in the school district, measured in thousands of 1998 dollars. the equation: 6. interpret the model carefully. 1. find the average income of a family
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