统计学covariance, correlation coefficient统计学上 covariance, correlation coefficient是什么意思,能否举例说明?,如果mortgage rate 和number of houses sold 的correlation coefficient是-0.909,那么他们是什么关系呢?可否
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![统计学covariance, correlation coefficient统计学上 covariance, correlation coefficient是什么意思,能否举例说明?,如果mortgage rate 和number of houses sold 的correlation coefficient是-0.909,那么他们是什么关系呢?可否](/uploads/image/z/6792576-24-6.jpg?t=%E7%BB%9F%E8%AE%A1%E5%AD%A6covariance%2C+correlation+coefficient%E7%BB%9F%E8%AE%A1%E5%AD%A6%E4%B8%8A+covariance%2C+correlation+coefficient%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%2C%E8%83%BD%E5%90%A6%E4%B8%BE%E4%BE%8B%E8%AF%B4%E6%98%8E%3F%2C%E5%A6%82%E6%9E%9Cmortgage+rate+%E5%92%8Cnumber+of+houses+sold+%E7%9A%84correlation+coefficient%E6%98%AF%EF%BC%8D0.909%2C%E9%82%A3%E4%B9%88%E4%BB%96%E4%BB%AC%E6%98%AF%E4%BB%80%E4%B9%88%E5%85%B3%E7%B3%BB%E5%91%A2%3F%E5%8F%AF%E5%90%A6)
统计学covariance, correlation coefficient统计学上 covariance, correlation coefficient是什么意思,能否举例说明?,如果mortgage rate 和number of houses sold 的correlation coefficient是-0.909,那么他们是什么关系呢?可否
统计学covariance, correlation coefficient
统计学上 covariance, correlation coefficient是什么意思,能否举例说明?,如果mortgage rate 和number of houses sold 的correlation coefficient是-0.909,那么他们是什么关系呢?可否除了negative relationship以外说的详细点
统计学covariance, correlation coefficient统计学上 covariance, correlation coefficient是什么意思,能否举例说明?,如果mortgage rate 和number of houses sold 的correlation coefficient是-0.909,那么他们是什么关系呢?可否
关系:strong negative correlation
slope is negative and their linear relationship is very strong.
var(a+b)=var(a)+var(b)+2cov(a,b)
统计学全英班里的 shortcut for sample covariance
统计学covariance, correlation coefficient统计学上 covariance, correlation coefficient是什么意思,能否举例说明?,如果mortgage rate 和number of houses sold 的correlation coefficient是-0.909,那么他们是什么关系呢?可否
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