Asked by Haley Van Roekel on Jul 12, 2024
Verified
For a group of 30 participants, how many degrees of freedom are there for a t-test for dependent means?
A) 28
B) 29
C) 30
D) 60
Degrees of Freedom
The number of independent values or quantities that can be assigned to a statistical distribution, which affects the calculation of statistical estimates.
T-test for Dependent Means
A statistical test used to compare the means of two related groups.
- Understand the concept of degrees of freedom in statistical tests.
Verified Answer
RS
Rahma SatariJul 17, 2024
Final Answer :
B
Explanation :
The formula for calculating degrees of freedom for a t-test for dependent means is df = n-1. Since there are 30 participants (n=30), the degrees of freedom would be 29 (30-1). Therefore, the correct choice is B.
Learning Objectives
- Understand the concept of degrees of freedom in statistical tests.