列联表独立性检验

21～3031～4041～5051～6061～70行和

0770.127818.372772.808720.989664.7043747

161.86565.74162.0857.91853.396301理论值

222.40323.80622.48120.97419.336109 ＞27.6058.0817.6317.119 6.56437

列和8629168658077444194

p值

利用LINEST函数计算0.27621