StackedML
Practice
Labs
Questions
Models
Pricing
Sign in
Questions
/
Probability & Statistics
/
Statistical Inference
/
Hypothesis testing
← Previous
Next →
556.
One-Tailed vs Two-Tailed Tests
easy
Which of the following best describes a two-tailed hypothesis test?
A
A test that requires twice the sample size of a one-tailed test to achieve the same significance level
B
A test used exclusively when the population distribution has two distinct peaks or modes
C
A test that is twice as powerful as a one-tailed test because it considers both directions of the effect
D
A test that detects effects in either direction, where the critical region is split across both tails
Sign in to verify your answer
← Back to Questions