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Earn +20 ptsQ: When do you use n-2 degrees of freedom?
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If a particular sample has 36 participants and the other sample has 40 participants the total degrees of freedom for the study is?
v = n1 + n2 - k n1 = 36, n2= 40 and k=2 v = 36 + 40 - 2 v = 74
What is the comparison of two Independent samples meandf is?
If the two samples are of size n1 and n2 then the t-statistic is distributed with n1 + n2 - 2 degree of freedom.
How do you find the degrees of freedom when using the t distribution to estimate or test the mean of a sample from a single population?
If the sample consisted of n observations, then the degrees of freedom is (n-1).
Degree of freedom for a truss?
Number all the structural degrees of freedom in your truss. In a 2D (planar) truss, each joint can have a maximum of two degrees of freedom: one in the global X-direction and one in the global Y -direction. If a degree of freedom is restrained by a reaction, then it doesn't get a number.
What does d f stand for on a t chart in statistics?
degrees of freedom
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