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Which of the following do you think was the most important issue of the late nineteenth century: the "bloody shirt," the end of Reconstruction, tariffs, civil-service reform, or "hard" versus "soft" currency? Why did you select one of these above issues as the most important?
Sampling Error
The difference between the value of a sample statistic (such as the sample mean, sample standard deviation, or sample proportion) and the value of the corresponding population parameter (population mean, population standard deviation, or population proportion) that occurs because a random sample is used to estimate the population parameter.
Sample Size
The number of observations or data points collected in a sample, crucial for determining the representativeness and accuracy of the sample.
Margin of Error
Indicates the confidence in the precision of a survey or poll result, quantifying potential deviation from the true population value.
Standard Deviation
An indicator of the range or distribution of a data set, showing the degree to which the values diverge from the average.
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