21. The mean age for a man with breast cancer is 60 to 70 years old. 22. The mean age was 67 years, and 80 % were over 60 years of age. 23. The mean age ( meant in the nicest possible way ) of cruisers is 50. 24. In developed countries, the mean age of patients with heart failure is 75 years old. 25. Desire kicked in at a mean age of 11.2 years for males, 11.9 for females. 26. The mean age of the mothers was 29 and more than half were college graduates. 27. Most are between the ages of 25 to 65, the mean age being mid-to late thirties. 28. In 1993, the mean age of U . S . women at childbirth was 28.1 years. 29. In one study it was found that the mean age of onset was around 8 years. 30. For each sample, the mean age of the 16 runners in the sample can be calculated.
