The frequency distribution shows the total number of points in the Super Bowl games from 1967 to 2012. Class Limits Frequency 21 - 29 5 30 - 38 10 39 - 47 13 48 - 56 10 57 - 65 4 66 - 74 3 75 - 83 1 f. Construct a cumulative frequency distribution. For cumulative relative frequency, express the answers as a decimal and not as a percent. Class Boundaries Cumulative Frequency Cumulative Relative Frequency (Round to Two Decimal Places) less than 20.5 Correct less than 29.5 Correct less than 38.5 Correct less than 47.5 Correct less than 56.5 Correct less than 65.5 Correct less than 74.5 Correct less than 83.5