11th Grade Margin Of Error Quizzes, Questions & Answers

11th Grade

Top Trending Margin Of Error Quizzes

This quiz focuses on the factors that influence margin of error, such as sample size, confidence level, and variability in the data. You'll explore how different sampling methods and confidence levels affect the margin of...

Questions: 21 | Attempts: 10 | Last updated: Dec 11, 2025

Sample Question 1
A polling company increases the sample size from 400 to 1,600 for a proportion estimate at the same confidence level. What happens to the margin of error?

It doubles

It stays the same

It increases by 1.5 times

It halves

Sample Question 2
For a fixed sample size, increasing the confidence level from 90% to 99% will do what to the margin of error for a proportion?

Decrease it

Increase it

Keep it unchanged

Make it zero

Sample Question 3
Which design choice most directly reduces margin of error for an estimate of a population mean?

Increase the sample size

Use a convenience sample

Use a lower-quality instrument

Increase the population size

Recent Margin Of Error Quizzes

Understanding Margin of Error Concepts Quiz

This quiz tests your understanding of margin of error in polling and surveys. You'll interpret the meaning of margin of error in various contexts and scenarios. The questions will also focus on how margin of error influences...

Questions: 21 | Attempts: 10 | Last updated: Dec 11, 2025

Sample Question
A news poll reports: “52% support the new policy, margin of error ±3%.” What is the best interpretation of the margin of error?

The estimate could reasonably differ from the true population proportion by about 3%

The true population proportion is exactly 52%

The sample size is too small to trust the result

The poll is guaranteed to be within 3% of the truth

Correlation & Causality

The Coefficient of Determination is generally measured as a percentage. If it is 95% then the statement would read as : 95% of the variation of the dependent variable (y variable), can be explained by the variation in the...

Questions: 15 | Attempts: 333 | Last updated: Jul 16, 2025

Sample Question
Jack is on a fitness campaign.He is measuring his improvement by counting the number of pushups he can do in one minute.He measures his progress at the end of each week.According to the line of linear regression, he has a Correlation Coefficient of 0.94.Which statement is most correct :

94% of the variation in his push up count can be explained by the number of weeks he has attended training

94% of the variation in his weekly attendance explained by the variation in his push-up count

89% of the variation in his push up count can be explained by the number of weeks he has attended training

89% of the variation in his weekly attendance explained by the variation in his push-up count

There relationship between attendance and pushups is non-linear