A team of researchers believe that passersby walking near a…

A team of researchers believe that passersby walking near a church will donate more money than passersby walking by a government building. They randomly assign participants to walk one of two paths around campus (one near a church and one near a local government building), with an actor in the middle of each path asking for donations. In this example, what is the measured variable?

The average salary in the United States today is about $55,0…

The average salary in the United States today is about $55,00 per year. Suppose someone in the United States was earning that much back in 1990. If the consumer price index (CPI) is 286 today and was 130 in 1990, what salary today would be equivalent to $55,000 in 1990?