Violent crimes include murder, forcible rape, robbery, and Kaggravated assault. The data to the right represent the violent-crime rate (crimes per 100,000 population) by region of a certain country Complete parts (a) through (f) below. 440.3 1347.1 391.1 278.4 3774 678.1 296.1 636.1 607.9 262.7 485.8 414.7 175.3 260.11 401.2 423.7 615.8 249.9 198.4 679.8.237.1 515.3 284.6 118.2 274.9 332.5 483.7 476.2 2394 585.3 708.1 503.4 211.4 342.2 498.8 464.1 165.9 261.6 133.3 300.3 337.7 501.8 303.7 383.5 223.2 626.5 275.6 235.6 627.2 259.7 326.4 (a) If thirteen classes are to be formed, choose an appropriate lower class limit for the first class and a class width. An appropriate lower class limit for the first class is with a class width of