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| 群体平均数; 总体均值 | |||
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| 总体平均值 | |||
| 总体平均数 | |||
| 群体平均值 | |||
| 总体平均值; 总平均 | |||
| 总体均值; 总体均数; 群体平均数 | |||
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population means : 15 phrases in 5 subjects |
| Agriculture | 1 |
| Animal husbandry | 1 |
| Business | 5 |
| Demography | 1 |
| Technology | 7 |
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