试题与答案

施化肥量x kg与水稻产量y kg在一定范围内线性相关,若回归直线方程为=5x+

题型:填空题

题目:

施化肥量x kg与水稻产量y kg在一定范围内线性相关,若回归直线方程为=5x+250,当施化肥量为80 kg时,预计水稻的产量为_________.

答案:

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A new law gives ownership of patents—documents providing exclusive right to make and sell an invention—to universities, not the government, when those patents result from government-sponsored university research. Administrators at Logos University plan to sell any patents they acquire to corporations in order to fund programs to improve undergraduate teaching.
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C.Research scientists at Logos University have few or no teaching responsibilities and participate little if at all in the undergraduate programs in their field.

D.Government-sponsored research conducted at Logos University for the most part duplicates research already completed by several profit-making corporations.

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