A drug manufacturer is interested in the proportion of persons who suffer with h

Question

A drug manufacturer is interested in the proportion of persons who suffer with hypertension whose condition can be controlled by a new drug that the manufacturer has developed. A study involving 5000 individuals with hypertension is conducted, and it is found that 80% of the individuals are able to control their hypertension with the drug. Assuming that the 5000 individuals are representative of the group who have hypertension, answer the following questions:

(a) Define the population.

(b) Define the sample.

(c) What is the sample size?

(d) Identify the population parameter of interest.

(e) Identify the sample statistic being used.

(f) What is the value of that statistic?

(g) Do we know the value of the population parameter?

(h) What sampling method should be used here? and Why?

Explanation / Answer

a) population is all the people who suffer from hypertension

b) The sample is the individuals with hypertension in the study

c) sample size is 5000

d) Population parameter of interest is proportion.

e) sample statistic is the sample proportion of the individuals with hypertension in the study

f) value is 0.8

g) No

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