The data in NewHomeSales includes the median sales price of new single-family houses sold in the United States recorded at the end of each month from January 2000 through December 2016. Source: Data extracted from bit.ly/2eEcIBR, March 19, 2017. a. Construct sparklines of new home sales prices by year. b. What conclusions can you reach concerning the median sales price of new single-family houses sold in the United States from January 2000 through December 2016? c. Compare the sparklines in (a) to the time-series plot in Problem 2.55 on p. 70.