5. Table 2.18 shows the age-specific population number, deaths, and all deaths from cancer in a county in 2018. Answer the following questions:

(a) Calculate and report which age groups account for the highest proportions of the population, deaths, and deaths from cancer.

(b) Calculate and report which age groups have the highest rate of death and the highest rate of death from cancer.

(c) Illustrate the difference between a proportion and a rate using these data. What should a researcher pay attention to before using these figures?