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在回归直线方程y = a+bx, 若a>0,下述正确的是
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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.
John:Welcome back to the show. I’m John Tyler. Tonight my guest is KellyZoidberg, CEO of TimeWaste, the incredibly (1) _________ social mediawebsite. Welcome the show, Kelly.Kelly:Thanks, John. It’s lovely to be here.John:Let’s start with your family life. I know you come from a big family.Kelly:Yes. I have eight brothers.John:Eight! It must have been interesting (2) _________ with so manybrothers. How about your parents? What do they do?Kelly:Well, may father is a doctor and my mother is a writer.John:Great. Those are both excellent (3) ___________. I understand youwent to Yale University. What did you study here?Kelly:I studied computers and got a master’s (4) ___________ in ComputerScience.John:While you were at Yale, you started your website “TimeWaste”. Is thatcorrect?Kelly:Yes, I did. Back then I had no idea how big it would become. I had agoal of getting 100 users in the first year.John:And how many users did you get in the first year?Kelly:100,000.John:Wow, that’s really (5) _________.
在配对设计差值的符号秩和检验中,绝对值等于3的差值有-3、-3、3、3。如果它们顺位秩次为4、5、6、7,则第2个-3的秩次应为
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