四表格数据资料品牌达标数不达标数合计3734036238合计73578理论频数品牌达标数不达标数合计37.43589743592.56410256414035.56410256412.435897435938合计73578校验结果卡方值自由度校验水准临界值专用公式0.1625234318710.053.84145880.68684380143校正公式0.00351478010.9527246457A品牌B品牌A品牌B品牌P值实际频数组别合计26.552.168.946.7194.278.682.552.831.5245.4合计105.1134.6121.778.2439.6理论频数组别合计46.42952684359.46160145653.76282984534.546041856194.258.67047315775.13839854467.93717015543.653958144245.4合计105.1134.6121.778.2439.6卡方值计算卡方值38.557381368.5546002120.91139785464.26193935384.27599489336.76977734799.67857116160.72124475693.3838557794检验结果自由度检验水准临界值30.057.81472790332.153871E-08行×列表资料产品1产品2产品3产品4城市A城市B产品1产品2产品3产品4城市A城市B第1列第2列第3列第4列第1行第2行P值喜欢一般不喜欢合计364123100424117100合计788240200等级f/2(3)+(4)(5)/N(1)(2)(3)(4)(5)(6)(2)*(6)喜欢7839390.19515.21一般8241781190.59548.79不喜欢40201601800.936合计200100标准组0.50.521150.0268964140.4684330290.573866970.478850.0268964140.4261330290.53156697Ridit分析资料30岁以下30岁以上Ridit分析计算R方差标准组频数ff累计并下移一行Ridit分析计算结果平均Ridit值对比组标准差95％可信区间下限95％可信区间上限30岁以下30岁以上0.07234171(2)*(6)^22.9659529.0300532.464.396
