Q1: A survey was conducted about real estate prices. Data collected are 143, 208, 355, 426, 564, 621, 791, 887, 987, 1051, 1121, 1205, 1359. What is the interquartile range?
Q2: A survey was conducted about real estate prices. Data collected are 109, 215, 321, 487, 527, 691, 748, 881, 971, 1033, 1116, 1291, 1379. What is the first quartile space price?