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Empress Ci Xi hindered China's resistance against foreign powers because
Sample Proportion
The ratio of members in a sample that have a particular characteristic to the total number of members in that sample, often used in statistics to estimate population proportions.
Confidence Coefficient
A value, typically close to 1, that specifies the likelihood that a confidence interval will contain the true population parameter.
Sampling Distribution
The distribution of a statistic (like a mean or proportion) that would result from taking a large number of samples from a population.
Standard Deviation
A metric that assesses the extent of variation or spread in a collection of data in relation to its average, demonstrating the degree to which the data values are scattered.