image Frauds in Brooklyn in 2013.

Table 31 provides the number of misdemeanor fraud cases in each of Brooklyn's 23 police precincts in 2013. Use this data for Exercises 86–90.

Table 2.74: TABLE 31 Fraud cases in Brooklyn precincts, 2013
Precinct Frauds Precinct Frauds
60 33 75 133
61 53 76 19
62 76 77 41
63 52 78 15
66 23 79 63
67 57 81 36
68 44 83 68
69 16 84 41
70 42 88 48
71 73 90 51
72 27 94 21
73 90

Question 2.225

brooklynfrauds2013

88. Constructing Frequency Polygons. Use Table 31 to answer the following:

  1. Using the same class boundaries you calculated in Exercise 86, find the class midpoints.
  2. Construct a frequency polygon of the number of misdemeanor fraud cases in Brooklyn in 2013.
  3. Use (b) to construct a relative frequency polygon.
  4. Use the relative frequency polygon to find the relative frequency of precincts where more than 100 frauds occurred.