The accompanying table contains the percentage of a certain? country's population that uses a certain social media. Complete part (a) below. Bewlow is the the percentage of a? country's population that uses a certain social media. a. Compute the first quartile ?(Upper Q1?), the third quartile ?(Upper Q3?), and the interquartile range. 55, 58, 42, 56, 41, 34, 8, 25, 42, 17, 44, 5, 31, 28, 59, 21, 28, 35, 46, 81, 58, 55.