Question

a recent telephone poll of 999 randomly selected women revealed that 9 in 10 women believe there has been progress in finding a cure for cancer in the last 27 years. describe the population, sample, population parameters, and sample statistics.

identify the population in the given problem. choose the correct answer below.
a. the 999 women selected
b. 9 out of 10 of the 999 women selected
c. 9 out of 10 women in the country
d. all women in the country

identify the sample for the given problem. choose the correct answer below.
a. 9 out of 10 women in the country
b. the 999 women selected
c. all women in the country
d. 9 out of 10 of the 999 women selected

Explanation:

Define the population

Using the Statistical Population knowledge point

• A population represents the entire group of individuals that is the target of interest for a study.
• In this scenario, the poll aims to understand the beliefs of women in general based on a subset.
• Therefore, the population consists of all women in the country.

Define the sample

Using the Sample vs Population knowledge point

• A sample is a subset of the population that is actually selected and from whom data is collected.
• In this scenario, the researchers randomly selected and surveyed 999 women.
• Therefore, the sample consists of the 999 women selected.

Answer:

Question 1

• (A) The 999 women selected
• (B) 9 out of 10 of the 999 women selected
• (C) 9 out of 10 women in the country
• (D) All women in the country (Correct answer)

Question 2

• (A) 9 out of 10 women in the country
• (B) The 999 women selected (Correct answer)
• (C) All women in the country
• (D) 9 out of 10 of the 999 women selected