5) Forty randomly selected registered voters in West Windsor were asked their political affiliation: Democrat (D), Republican (R), or Independent (1). The results of the survey are shown below: DDDRDRDDRDDDIRRDDRRI IIDDDRDRRDIDDRRIRIRD a. Construct a frequency distribution of the data. b. Add a relative frequency column to the distribution you constructed in part (a). c. Construct a frequency bar graph of the data.