A cumulative frequency distribution is constructed from a frequency distribution by replacing each frequency with the sum of the frequency of the given class and the frequencies of all classes above it, and representing each class by its upper class boundary. Construct a cumulative frequency distribution using the data of Exercise 3.115.
In exercise

45.6 50.3 55.1 63.0 58.2 65.5 51.1 574 60.4 54.9 56.1 62.1 43.5 63.8 64.9 59.9 63.0 67.7 53.8 57.9 618 52.2 61.2 51.6 58.6 738 53.9 64.1 57.2 75.4 55.9 70.1 46.2 63.6 56.0 48.1 62.2 588 508 68.1 514 73.9 66.7 42.9 71.0 56.1 60.8 58.6 70.6 62.2 59.9 47.5 72.5 62.0 56.8 54.3 61.0 66.3 52.6 63.5 64.3 63.6 53.5 55.1 628 633 64.7 54.9 54.4 69.6 64.2 59.3 60.6 57.1 68.3 46.7 73.7 56.8 62.9 58.4 68.5 68.9 62.1 62.8 74.4 43.8 40.0 64.4 508 49.9 55.8 668 67.0 64.8 57.6 68.3 42.5 64.4 48.3 56.5