Question 1

Based on the provided image, which best describes the relationship between 'population', 'sample', and 'individual' in statistics?

Accepted Answer

A sample is a subset of individuals from the population, and an individual is a single member of the population.

Question 2

If a researcher wants to study the average height of college students in a country, which group should they ideally select their sample from?

Accepted Answer

The population of all college students in the country.

Question 3

Which of the following statements is correct regarding the process of statistics as illustrated by the image?

Accepted Answer

The process starts with the population, selects a sample, and then studies individuals within the sample.

Question 4

In statistical studies, why is it important to distinguish between a population and a sample?

Accepted Answer

Because conclusions drawn from a sample are generalized to the population, and the sample must represent the population accurately.

Question 5

Which term describes a single person or object that is a member of the population being studied?

Accepted Answer

Individual

Question 6

If a statistician randomly selects 10 people from a group of 100, what is the group of 100 called?

Accepted Answer

Population

Question 7

Which of the following best describes a sample in statistics?

Accepted Answer

A subset of the population selected for study.

Question 8

What is the main purpose of selecting a sample from a population in statistical research?

Accepted Answer

To make inferences about the population based on the sample data.

Question 9

Which of the following is NOT true about the relationship between population, sample, and individual?

Accepted Answer

A sample is always larger than the population.

Question 10

If a researcher wants to estimate the average income of all residents in a city, but only surveys 200 residents, what is the 200 residents called?

Accepted Answer

Sample

Statistics Chapter 1: Data Collection and the Foundations of Statistical Thinking

스터디 가이드 - 연습 문제