高手请进来: Cpm公式是不是有缺陷呢?

你是不是对Cpm的理解是: 平均值离目标值越远, Cpm就越小呢?
看看这个案例吧!
:D:D:D数据:
102.550
90.122
100.355
103.721
94.071
101.211
103.494
91.097
108.297
102.097
96.053
95.445
96.759
104.692
96.157
94.308
96.154
96.414
99.740
93.029
99.163
98.110
98.764
100.066
104.423
95.749
95.132
109.054
100.347
98.001
98.081
97.257
96.452
102.292
90.069
109.955
92.331
106.123
94.355
95.609
95.419
98.778
99.578
97.563
99.194
97.924
94.831
99.332
94.705
101.182
99.732
96.125
106.293
97.845
101.900
101.845
102.505
105.702
95.335
106.484
94.813
103.332
100.469
104.249
98.542
103.849
106.281
96.881
107.658
99.150
104.086
99.018
96.293
100.478
97.872
106.160
105.004
109.190
108.118
109.290
102.496
108.101
103.103
102.526
97.689
103.847
100.606
100.398
99.939
103.542
98.664
102.644
105.369
97.182
100.186
90.643
100.061
100.541
104.257
114.053