sign-variable

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• Variable-message sign — Sign over Interstate 94 in Saint Paul, Minnesota, advising of a road blockage during a winter storm …   Wikipedia

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• Sign test — In statistics, the sign test can be used to test the hypothesis that there is no difference between the continuous distributions of two random variables X and Y . Formally:Let p = Pr( X > Y ), and then test the null hypothesis H0: p = 0.50. This… …   Wikipedia

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• Prohibitory traffic sign — Prohibitory traffic signs Prohibitory traffic signs are used to prohibit certain types of manoeuvres or some types of traffic. Contents 1 Prohibitory traffic signs …   Wikipedia