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Type I & II Errors Quizzes, Questions & Answers

Top Trending Type I & II Errors Quizzes

Reducing Type II Error in Hypothesis Testing

This quiz evaluates your grasp of Type I and Type II errors in hypothesis testing. Learn to differentiate between rejecting a true null hypothesis and failing to reject a false null hypothesis. Focus on mastering the concepts of...

Questions: 15 | Attempts: 13 | Last updated: Apr 16, 2026

Sample Question 1
What is the relationship between Type II error rate (β) and statistical power?

Power equals 1 minus beta

Power and beta are unrelated

Power equals beta

Power equals 1 plus beta

Sample Question 2
Which of the following directly increases statistical power and reduces Type II error?

Decreasing sample size

Increasing sample size

Increasing the alpha level

Using a one-tailed test with smaller effect size

Sample Question 3
True or False: Reducing alpha (the significance level) will decrease both Type I and Type II errors simultaneously.

True

False

Recent Type I & II Errors Quizzes

Power of a Statistical Test in Economics

Questions: 15 | Attempts: 10 | Last updated: Apr 16, 2026

Sample Question
A Type I error occurs when a researcher rejects a true null hypothesis. In an economic study testing whether a new policy increases employment, what would a Type I error mean?

Concluding the policy increases employment when it actually does

Concluding the policy increases employment when it actually does not

Failing to detect a real increase in employment

Correctly accepting the null hypothesis

Difference between Type I and Type II Error

Questions: 15 | Attempts: 12 | Last updated: Apr 16, 2026

Sample Question
Which error is also known as a false positive?

Type I error

Type II error

Type III error

Standard error

Type II Error and Statistical Power

Questions: 15 | Attempts: 11 | Last updated: Apr 16, 2026

Sample Question
A Type II error occurs when a researcher fails to reject the null hypothesis when it is actually false. What is another name for this error?

False negative

False positive

Significance level

Confidence interval

Type I Error and Significance Level

Questions: 15 | Attempts: 13 | Last updated: Apr 16, 2026

Sample Question
What does the significance level (α) represent in hypothesis testing?

The probability of committing a Type I error

The probability of committing a Type II error

The power of the test

The sample size needed