Exercises 2. A researcher wishes to conduct a survey with the following objectives: a. To determine the prevalence of hypertension among adults 30- 70 years old in Province X b. To determine if there is a difference in the prevalence of hypertension among male and female When he computed for the sample size requirement for each of these objectives, he determined that the sample size requirement for objective a) is 500 adults while that for objective b) is 350. What sample size should he consider for is study and why?