Most of the national polling organizations in the United States now use a method of sampling where a computer determines which phone numbers to call, given information such as the possible phone number exchanges to use, and the proportion of households with each exchange.This sampling method is called __________.

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The Answer of Most of the national polling organizations in the United States now use a method of sampling where a computer determines which phone numbers to call, given information such as the possible phone number exchanges to use, and the proportion of households with each exchange.This sampling method is called __________.

Most of the National Polling Organizations in the United States