Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_vufgb-equation-001-en_vufgb-equation-001-en
   name	vufgb-equation-001-en
   section	Inferential Statistics/Regression/Equation
   type	schoice
   solution	FALSE, TRUE, FALSE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Thinking

   Question

   The following fitted regression equation is provided:$\hat{y}=5+0.75x_{1}-2.5x_{2}+3.5x_{1}x_{2}$. What does the regression equation look like when $x_{1}=6$?

   
   
   1. FALSE: $\hat{y}=28-2.5x_{2}$.
   2. TRUE: $\hat{y}=9.5+18.5x_{2}$.
   3. FALSE: $\hat{y}=5+25.5x_{1}-2.5x_{2}$.
   4. FALSE: $\hat{y}=5.75+1x_{2}$.
   
   
   1. Incorrect
   2. Correct
   3. Incorrect
   4. Incorrect