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The College Board finds that the distribution of students' SAT scores depends on the level of...

The College Board finds that the distribution of students' SAT scores depends on the level of education their parents have. Children of parents who did not finish high school have SAT math scores X with mean 453and standard deviation 108. Scores Y of children of parents with graduate degrees have mean 564 and standard deviation 103. Perhaps we should standardize to a common scale for equity. Find numbers a, b, c, and d such that a + bX and c + dY both have mean 500 and standard deviation 100. (Round your answers to two decimal places.)

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Answer: Date: ---28/5/2019 To standardize mean 453, standard deviation 108 to 500,100 b-100/108-0.93 changes the standard dev

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