Statistical survey

High school (ages 12+)
Mathematics & Numbers

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/statistical-survey

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the historical development?Evolved from ancient administrative counts to sophisticated probabilistic sampling techniques
2. What is the sampling techniques?Includes probability methods (random, stratified, cluster) and non-probability methods
3. How do surveys help us learn about the world?By asking many people and choosing a representative sample, we can guess what most people think or do, and use that information to make smart choices.
4. Why are surveys different from experiments?Surveys only observe people without changing anything, while experiments change something to see what happens.

Population Parameter: A numerical characteristic of a population, such as its mean or proportion.
Sampling Error: The difference between a sample statistic and the true population parameter.
Questionnaire Design: The process of creating survey questions to elicit accurate and relevant information.