10. Unemployment and gas prices (a) Each month, the Current Population Survey inter views randomly selected individuals in about 60,000 U.S. households . One of its goals is to esti mate the national unemployment rate. In December 19,3.5\% of those interviewed were unemployed . (b) How much do gasoline prices vary in a large city ? To find out , a reporter records the price per gal lon of regular unleaded gasoline at 10 randomly selected gas stations in the city on the same day . The range of the prices for these 10 stations is 25 cents . 14. Sample ranges List all 10 possible SRSs of size n = 3 from this population of 5 students, calculate the range of quiz scores for each sample, and display the sam pling distribution of the sample range on a dotplot