急！大家帮我做个题吧，万分感谢！

Table 5.12 summarizes eight studies in China about smoking and lung cancer.
a.       1.Fit a logistic model with smoking and study as predictors. Interpret the smoking effect.
b.       2.Conduct a Pearson test of goodness of fit. Interpret
c.       3.Check residuals to analyze further the quality of fit. Interpret
Table 5.12

city	smoking	Lung cancer
		yes	no
beijing	yes	126	100
	no	35	61
shanghai	yes	908	688
	no	497	807
shenyang	yes	913	747
	no	336	598
nanjing	yes	235	172
	no	58	121
harbin	yes	402	308
	no	121	215
zhengzhou	yes	182	156
	no	72	98
taiyuan	yes	60	99
	no	11	43
nanchang	yes	104	89
	no	21	36

这是作业吧？如果是作业我建议你自己去做。即使你做错了，你也是学习了。这么简单的东西也来让人家做，那你什么时候有进步？

飘过 不会做

所要建的模型和地区有关系吗？请大家帮忙了！