Find the first quartile for this data set. Q 200 Find the third quartile for this data set. Q= Find the interquartile range for this data set. IQR= Find the lower fence separating outliers from usual values. Fencelow Find the upper fence separating outliers from usual values. Fence high Here is a sample data set. 290.7 293 303.4 249.7 261.5 270.3 305.9 313.6 318.2 336.5 336.5 336.5 320.9 327.9 328.3 341.9 344.6 345.8 347.9 353.1 354.7 361.4 362.6 365.8 369.7 371.6 372.5 372.5 375.3 377.1 381.7 381.9 387.2 390.2 387.9 388.3 394.7 397.1 397.9 398.5 398.5 398.5 400.4 402.7 403.5 406.6 415.5 419.7 419.8 420.6 422.9 441.6 447.9 448.1 Frequency 20 15 10 5 200 250 300 350 400 450 length (cm)