SPAM Is Unsolicited Non-Document Mail That Has Largely Been Eliminated

question 79

True/False

SPAM is unsolicited non-document mail that has largely been eliminated.

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Definitions:

Tchebysheff's Theorem

A statistical theorem stating that, for any real-valued random variable, the proportion of values lying within k standard deviations from the mean is at least 1-1/k^2, for k > 1.

Empirical Rule

A statistical guideline suggesting that within a normal distribution, nearly every data point can be found within three standard deviations of the central mean.

Stem-And-Leaf Plot

A graphical method for displaying quantitative data, where each number is split into a "stem" (the leading digit(s)) and a "leaf" (the last digit).

Mode

The value that appears most frequently in a data set.