The True Sampling Error Is Usually Not Known Because ________

question 37

Multiple Choice

The true sampling error is usually not known because ________.

• A) µ is unknown
• B) µ is a random variable
• C) σ² is unknown
• D) the sample mean cannot be computed

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Definitions:

Mean Absolute Deviation

Mean absolute deviation measures the average absolute distances between each data point in a set and the set's mean, providing an overview of variability.

Sum of Squares

A statistical technique used to describe the total variation in a dataset, which is the sum of the squared differences from the mean.

Mean Absolute Deviation

The average of absolute differences between each data point and the mean of the dataset.

Sum of Squares

is a statistical technique used to measure the dispersion or variability within data points.