Pew Research Center is a nonpartisan polling organization that provides information aboutissues, attitudes, and trends shaping America. In a poll, Pew researchers found that 47% ofAmerican adult respondents reported getting at least some local news on their cell phoneor tablet computer (Pew Research website, May 14, 2011). Further findings showed that42% of respondents who own cell phones or tablet computers use those devices to checklocal weather reports and 37% use the devices to find local restaurants or other businesses.a. One statistic concerned using cell phones or tablet computers for local news. Whatpopulation is that finding applicable to?

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.