Quote:
Originally Posted by SmokeEater
I was told its because all the numbers can be communicated by using either one hand alone or max 2 hands. Over 15, official would then have to use one hand again to communicate the 6 in sixteen. Also, the numbers 1,2 and 3 are not allowed so not to confuse with number of free throws.
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That, obviously, is solved by the NFHS/NCAA limits on numbers to used only the digits 0-5....allowing 54, which is no more difficult to indicate than 12.
Allowing only 4-15 does reduce the chance of miscommunication as only 4 and 5 are used in two different numbers, the rest being entirely unique (per team). It does increase the odds of confusing a number on the two teams as both teams would use all the same numbers.