Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-equation-796-en_uva-equation-796-en
   name	uva-equation-796-en
   section	Inferential Statistics/Regression/Equation
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	0.932
   p-value	0.8938

   Question

   We have a regression equation $\hat{y} = 7 + 3x_{1} + 2x_{2} + 5x_{3}$ We check for x₂ and x₃. What is the increase in predicted y if we go from 4 to 8 for x₁?

   
   
   1. FALSE: 4
   2. TRUE: 12
   3. FALSE: 24
   
   
   1. 4: Incorrect
   2. 12: Correct
   3. 24: Incorrect