Sampling error
A) mistakes made in selecting a sample of subjects
B) the difference $\bar { X } - \mu$
C) the difference $X - \bar { X }$
D) the difference $\mu _ { \bar { X } } - \mu$ refers to.

Question

Sampling error 
A) mistakes made in selecting a sample of subjects
B) the difference $\bar { X } - \mu$
C) the difference $X - \bar { X }$
D) the difference $\mu _ { \bar { X } } - \mu$ refers to.

Quizplus · Accepted Answer

Sampling error refers to the difference between the sample mean ($\bar { X }$) and the population mean ($\mu$). This error arises because the sample is only a part of the whole population, and there's a chance that the sample might not perfectly represent the population's characteristics.

Sampling Error A) Mistakes Made in Selecting a Sample Xˉ−μ\bar { X } - \muXˉ−μ

Sampling Error
A) Mistakes Made in Selecting a Sample $\bar { X } - \mu$