Find the first quartile, third quartile and interquartile range

Here is a sample data set. 318.4 613.5 456.8 522.5 550.1 487 493.2 350.7 550.9 458.8 354.4 654.2 314.3 347.9 530.1 413.8 417.6 642.5 500.3 452 520.9 543.5 615.1 495.2 452 703.4 512.4 452 664.9 460.2 455.7 546.6 541.6 602.1 690.6 550.9 550.9 473.1 709.1 303.7 522.4 345.1 502.4 694.4 433.8 334.2 529.4 541.6 656.7 442.6 557.5 486.3 488 502.4 Find the first quartile for this data set. 91 = I Find the third quartile for this data set. Q3 = Find the interquartile range for this data set. IQR = Q3-91 =