Homework Set C (2.2 - 2.4)

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To predict future enrollment in a school district, fifty households within the district were sampled, and asked to disclose the number of children under the age of five living Number of ChildrenNumber of in the household. The results of the survey are presented in the table. Complete parts (a) through (c) below. under 5 Households 0 18 -1 17 2 12 3 - IN A (a) Construct a relative frequency distribution of the data. Number of Relative Children under 5 Frequency 0 1 2 3 (Type integers or decimals. Do not round.)Violent crimes include murder, forcible rape, robbery, and aggravated assault. The 447.3 1347.6 392.1 274.6 381.5 671.4 289.4 data to the right represent the violent-crime rate (crimes per 100,000 population) by 627.5 603.8 267.1 498.2 411.1 185.2 252.2 region of a certain country. Complete parts (a) through (f) below. 406.3 433.8 618.4 260.6 206.2 662.4 228.5 526.5 276.4 122.7 283.7 336.3 495.6 473.9 239.5 599.6 703.3 493.7 218.5 341.4 508.4 462.6 155.5 246.1 122.2 304.7 333.4 505.3 311.6 384.2 219.2 635.5 282.6 249.9 625.5 248.1 324.5 (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 100-199.9 800-899.9 200-299.9 900-999.9 300-399.9 1000-1099.9 400-499.9 1100-1199.9 500-599.9 1200-1299.9 600-699.9 1300-1399.9 700-799.9