PRC-2 · Chapter 12 · Question 26 of 55
In a standard normal distribution test, if a calculated z-test value falls within the designated 'critical region' (rejection zone), what should the researcher do?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) Reject the Null Hypothesis
Explanation
Falling into the critical region mathematically indicates that the observed result is so unlikely to happen by chance that the null hypothesis is rejected in favor of the alternative.
More Probability Distributions MCQs
- Q28A 'null hypothesis' (H0) is most commonly used in statistical testing to represent:
- Q29A 'sampling frame' is formally defined in research as:
- Q30According to the Central Limit Theorem, for large sample sizes, the sampling distribution of the means will always approach:
- Q31In standard statistical terminology, what is the precise definition of 'Standard Error'?
- Q32Which of the following statements best describes an observation based on a 'Population'?