好深的統計學, 識答者重酬

i have done this question with excel and words, please check the following links:

http://h1.ripway.com/koolinfinity/02.xls

http://h1.ripway.com/koolinfinity/02.doc

2007-04-10 21:46:45 補充：
if you are using excel to calculate the R value and regression line, correlation coefficent would be 0.890919determination would be (0.890919)^2 = 0.793737and the regression line would be: y' = 50.72 - 2.33 x'