ne table below gives the number of elementary school children in 16 school stricts in a particular region. a) Construct a cumulative frequency distribution. b) Construct a cumulative relative frequency distribution. c) Draw a frequency polygon. d) Draw a relative frequency ogive. Number of Elementary School (a) Complete the cumulative frequency distribution. Students in a District 1000-1999 2000-2999 Cumulative Frequency 3000-3999 Students in 16 School Districts 4000-4999 1245 2400 4458 2500 1260 2991 3110 4800 2294 1050 2287 1931 4697 3640 2885 4400