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These words, written by the late author and futurist Toffler, were eerily prescient—and they point to a type of intelligence in high demand today: LQ or “learning quotient.” You’ve heard ...

It is acceptable when dealing with an even total cumulative frequency to use LQ = \(\frac{n}{4}\) and UQ = \(\frac{3n}{4}\). To work out where the quartiles are, we need to use our equations again ...