Asked by Lauren Oliveira on Jul 21, 2024
Verified
The term "critical value" refers most specifically to ______.
A) how researchers define a 'low' probability
B) the value of a statistic needed to reject the null hypothesis
C) the minimum sample size needed to test a research hypothesis
D) the value of a population parameter such as µ
Critical Value
A threshold value in statistical testing which the test statistic must exceed to reject the null hypothesis.
Population Parameter
A measure that signifies a trait of a whole population, like its average or standard deviation.
Sample Size
The total count of individual samples or observations used in a statistical study, directly impacting the study's conclusions' reliability.
- Expound on the relevance of critical values in conducting hypothesis tests.
Verified Answer
DSS
Daryl ßoodhooJul 24, 2024
Final Answer :
B
Explanation :
A critical value is the value of a statistic, such as a t-score or z-score, that is needed to reject the null hypothesis. It is determined based on the desired level of significance and the degrees of freedom in the sample.
Learning Objectives
- Expound on the relevance of critical values in conducting hypothesis tests.