#51

According to the central limit theorem, which of the following statements is true?

A	The distribution of the sum (or average) of a large number of independent, identically distributed variables will be approximately normal, regardless of the underlying distribution.
B	The center of a distribution is limited to move NO MORE THAN 1.5 standard deviations. (also known as the 1.5 sigma shift)
C	The center of dispersion of a SAMPLE (x-bar) is limited by the size of the sample.
D	The central tendency of a distribution is limited by common-cause variation.