正在加载图片...
Example 2 If the variance of verbal GRE were 64,the variance of quantitative SAT were 81 and the correlation between these two tests were 0.50,then what is the variance of total SAT(verbal quantitative)?Example 2 • If the variance of verbal GRE were 64, the variance of quantitative SAT were 81 and the correlation between these two tests were 0.50, then what is the variance of total SAT (verbal + quantitative)? 7
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有