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The first-digit distribution of many US Census variables is known to closely follow Benford's Law. We will consider several census variables available fromCounty Totals Dataset: Population, Population Change and Estimated Components of Population Change. The app will apply a goodness of fit test of the observed frequencies of first-digits for the selected variable. The variables under consideration are: Annual Resident Total Population Estimate (2010 to 2013), Annual Births (2010 to 2013), Annual Deaths (2010 to 2013). We also consider several census variables available from US Census State & County QuickFacts. The app will apply a goodness of fit test of the observed frequencies of first-digits for the selected variable. The variables under consideration are: Housing Units (2013), Households (2008-12), Veterans (2008-12), Nonemployer Establishments (2012), Private Nonfarm Establishments (2012), Private Nonfarm Employment (2012), Retail Sales (2007). Finally the app will download information from the Wall Street Journal website from themost recent end of day market data. The data will be based on various market variables for all companies listed in one of four stock markets. The app will apply a goodness of fit test of the observed frequencies of first-digits for the selected variable in the specified stock market.

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