Question

Mean and median age for the development of breast cancer:

a. Mean: 45 years, Median: 50 years
b. Mean: 50 years, Median: 45 years
c. Mean: 60 years, Median: 55 years
d. Mean: 55 years, Median: 60 years

Answer 1

The mean and median ages for the development of breast cancer are likely above 50 years, with the most plausible answer being option c, which states a mean of 60 years and a median of 55 years.

Step-by-step explanation:

The student asks about the mean and median age for the development of breast cancer. The answer is not directly provided in the material given, but based on routine screening mammograms recommended for women aged 50 and older, and data on the percentage of people diagnosed with cancer, we can infer that the mean and median ages for the development of breast cancer are likely above 50 years. Therefore, option c, which states a mean age of 60 years and a median age of 55 years, seems to be the most plausible answer. This is because the median age is usually less than the mean age in a right-skewed distribution, which is typical of age-related conditions like breast cancer, where fewer young people are diagnosed compared to older adults.