Asked by Jerry Powell on Jun 09, 2024
Verified
For a group of 20 participants, how many degrees of freedom are there for a t-test for dependent means?
A) 19
B) 20
C) 39
D) 40
Degrees of Freedom
Degrees of freedom refer to the number of independent values or quantities that can be assigned to a statistical distribution while still satisfying a given number of constraints.
T-test for Dependent Means
A statistical method used to compare the means of two related groups.
- Gain an understanding of the role of degrees of freedom in statistical evaluations.
Verified Answer
AI
Anita IngramJun 10, 2024
Final Answer :
A
Explanation :
The degrees of freedom for a t-test for dependent means is calculated as (n-1) where n is the sample size. Since there are 20 participants, the degrees of freedom will be 19.
Learning Objectives
- Gain an understanding of the role of degrees of freedom in statistical evaluations.