In Multiple Regression Analysis with N Observations and K Predictors $\beta _ { i }$

question 25

Multiple Choice

In multiple regression analysis with n observations and k predictors (or equivalently k+1 parameters) , inferences concerning a single parameter $\beta _ { i }$ are based on the standardized variable , which has a t-distribution with degrees of freedom equal to

• A) n-k+1
• B) n-k
• C) n-k-1
• D) n+k-1
• E) n+k+1

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