A gallop poll that was based on telephone interviews conducted April 9-12, 2012, using a random sample of 1016 adults aged 18 and older, living in all 50 US states and the District of Columbia, indicated that 29% of Americans spent more money in recent months than they had spent in earlier months. But the majority (58%) still said that they enjoy saving money more than spending it.
a. is 29% a statistic or a parameter? describe
b. Is 58% a statistic or a parameter? describe