What is the 95% confidence interval for the population mean?
什么是95%的人口置信区间是什么意思？
The population mean is often written "x-bar." If you have a sample with n observations, it's the summation i = 1 to n of xi/n--that's the average.
人口均值经常写成“x-条形柱”，如果你有一个样本有n个观测者，是从i=1到n和的xi/n，这是平均值。
I mean, as the population grows and there are more vehicles on the roads and there's more machinery, surely they can't depend so much on sugar cane?
我是说，随着人口增长，路上车辆更多了，机械也更多了，他们肯定不能只依赖于甘蔗（作为生物燃料）吧？
I mean take the question of East Asia: Japan, Korea, China, etc. a third of the world's population lives there, now the largest economic region in the world.
我们来谈谈东亚的问题。东亚：日本，韩国，中国等等——世界上三分之一人口住在那边，现在是全球最大的经济区域。
The growing world population could soon mean that our farms cannot produce enough meat to feed everyone, creating a market for artificial beef, pork, lamb and chicken.
很快地，不断增长的世界人口可能意味着我们的农场不能生产足够的肉类来供给每一个人，要创造一个市场卖人造牛肉、人造猪肉、人造羊肉和人造鸡肉。
They add that a wholesale commitment to its practices will mean inevitable food shortages for a world population expected to exceed 8 billion by the year 2030.
他们补充说，对这种操作方法的全面认可将意味着到2030年预计将超过80亿的世界人口必然面临粮食短缺。
So what do I mean by the population in this case?
所以我这里指的人群是？
Lack of community involvement and solid community organizations mean that the population cannot effectively interact and put pressure on service providers, the justice system and law enforcement.
社区居民缺乏参与和稳固的社区组织缺乏，意味着人们无法有效开展活动交流，也无法对服务提供者、司法系统和执法部门施加压力。
The discovery of such a large gibbon population may mean the species has a better chance of long-term survival, the scientists say.
科学家表示，发现数量如此之多的长臂猿意味着这个种群有更好的机会长时间存活。
"You know what I mean" is considered the biggest verbal gaffe by 15% of the population.
15%的民众认为“你知道我的意思”是最大的言语过失。
Okay lets start with inductive generalization, what I mean is that the premise identifies the characteristic of the same of a population.
好，我们开始说归纳推广，我的意思是前提，决定了同样人群的特点。
The mean adherence rate in the study population was 96.3% (standard deviation, SD: 7.7).
研究人群中的平均依从率为96.3％（标准差,SD：7.7）。
Assuming 10 million people were given the swine flu vaccine (around a sixth of the UK population), that would mean that simply by chance, one person would die suddenly within a week of their jab.
假定有1000万人接种了甲流疫苗(大约是英国总人口的六分之一)。这意味着在接种疫苗的一周内就会有一人突发死亡，而这纯属巧合。
It is an estimate of the mean of the population.
这是对人口平均数的一个估计。
The arrival of Lewis Turning Point and drawing close of aged society mean the traditional population dividend of China is wearing off.
刘易斯拐点的到来和老龄社会的逼近意味着中国传统的人口红利开始消退。
I mean that someday the population of vegetarian will more than the meat-eaters?
我是说有没有可能未来素食的人口会多于肉食者呢？
When biologists say that they have observed evolution, they mean that they have detected a change in the frequency of genes in a population.
当生物学家说他们观察到进化时，意思是他们发现了一个种群中基因频率的变化。
I mean because of the changing needs of the American population.
我的意思是因为美国人变化的需求。
Genetic load expresses the loss in mean fitness of a population because of the genetic variability present.
遗传负荷表示种群由于遗传变异能力的存在而在平均适宜度上的损失。
Conformity biases result when individuals attempt to copy the mean or the mode cultural variant in the population.
当个体打算模仿群体中的中庸文化变体或时尚文化变体时，产生从众偏好。
The other half was thinner than 90% of the population, with a mean weight of 57 kilograms.
而另外一半瘦于90%的一般人群，他们的平均体重是57公斤。
The youngest age in the population-based cohort was 40 years, the mean age was 61 years and the mean follow-up was 11 years.
研究受试人群中最小年龄为40岁，平均年龄为61岁，平均随访时间为11年。
The multitudinous population doesn't mean backward.
人口众多并不一定意味着落后。
The multitudinous population doesn't mean backward.
人口众多并不一定意味着落后。
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