题目内容
用最小二乘法确定直线回归方程的原则是
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直线回归中,如果自变量X 乘以一个不为0或1的常数, 则有
在回归直线方程y = a+bx, 若a>0,下述正确的是
直线回归与直线相关有何区别
1. Mike and Jennifer will get ________ next month, but they still lack something blue.2. My _____________ goal is to become a pilot.3. If you work hard, you can ________ anything.4. Bill Gates is very rich. He is one of the most _______ businessman ever.5. Peter is a(n) ___________ at a big company. He will learn a lot there.6. My father has been a lawyer for 20 years. It is really good________ .7. What’s your ________ for this summer? We decided to go to France.8. Mary has a(n) ________ in History from Harvard University.
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