1 1 . Violent crimes include murder , forcible rape , 447. 1 1354.8 405. 4 272.7 386. 3 654.5 294. 7 robbery , and aggravated assault . The data to the 636.6 612. 2 262.9 488. 4 409.7 191.6 249. 3 right represent the violent - crime rate ( crimes per 404. 1 420.6 622.9 254.6 198.7 667. 7 230. 7 100, 000 population ) by region of a certain 51 1.6 281.8 1 16.3 279.6 323. 2 487. 6 country . Complete parts ( a) through ( F ) below . 477.3 238.8 594. 7 694.9 496. 2 200. 1 348.7 498.8 456.9 163. 7 251. 3 124. 3 306. 1 343.5 506. 4 312. 4 380. 4 219.7 627. 1 280.9 240.6 624. 7 247. 3 322. 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 100 , with a class width of 100 . ( b ) Construct a frequency distribution . Violent Crimes Frequency Violent Crimes Frequency 100 - 199.9 5 800- 899.9 O 200- 293.9 15 900- 959.9 300- 399. 9 B 1000 - 1099.9 400- 499. 9 1 1 1 100 - 1199.9 500- 599.9 3 1200 - 1299.9 600- 699. 9 B 1300- 1399.9 1 700 - 799.9