The 2k or 2 to K rule is used to determine the number of classes for a frequency distribution. The 2k rule should be used as a guide more than a dictator of determining the number of classes for a frequency distribution.
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As the value of k, the degrees of freedom increases, the (chisq - k)/sqrt(2k) approaches the standard normal distribution.
The answer depends on what "this less than 5 percent rule" is, in contrast to some other 5 percent rule!
Anyone who is wondering the advantage of using a steel rule over a wooden one they would quickly find that the steel rule is much more durable and easy to read. The wooden rule is quite prone to break if accidentally used wrong.
The official definition for majority rule is "the principle that the greater number should exercise greater power."
F(t) = h - 16t2