作者skyjj (我来教你丢水球^^)
看板Statistics
标题[问题] help
时间Mon Jun 19 13:56:03 2006
1.Given a set of pair data as follows
X:1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0
Y:7.8 8.5 9.0 9.5 8.9 8.6 10.2 9.3 9.8 10.5
(a)Estimate the linear regression line?
(b)Estimate the mean amount of Y when x is 1.75?
(c)Evaluate s平方？
(d)Construct a 95% confidence interval for a and b ?
(e)Construct an analysis-of-variance table?
(f)Calculate r?
(g)Predict Y when X=1.75?
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