A multiple regression model using 200 data points (with three independent variables) has how many degrees of freedom for testing
the statistical significance of individual slope coefficients?
196
199
198
1 answer:
Answer:
196
Step-by-step explanation:
Formula of degree of freedom for simple regression = n-2
Formula of degree of freedom for multiple regression = n-k-1
We are given the case of multiple regression and there are three independent variables.
So, k = 3
n = 200
So, Degree of freedom for multiple regression =
=
=
So, Option A is true .
Hence degrees of freedom for testing the statistical significance of individual slope coefficients is 196
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