为了找到X平方分布统计的抽样分布，只需获取每次实验的结果，并且计算该结果的x平方分布统计。
To find the sampling distribution of the Chi Square statistic, simply take the outcome of each experiment and compute a Chi Square statistic for that result.
世界卫生组织提供了500公斤的设备，包括用于病例管理和实验室抽样检测及诊断的药品和物资。
WHO has provided 500 kilos of equipment, including drugs and materials for case management and for laboratory sampling and diagnosis.
在一次实验中，科茨先生对伦敦交易员做了睾酮量的抽样调查，他发现早晨中偏高的激素量与午后的高利润有着相互关联。
In one experiment Mr Coates sampled testosterone levels in traders in London and found that higher levels of the hormone in the morning correlated with beefier profits in the afternoon.
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