Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-equation-1919-en_uva-equation-1919-en
   name	uva-equation-1919-en
   section	Inferential Statistics/Regression/Equation
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	3.522
   p-value	0.1975

   Question

   We have a regression equation $\hat{y} = 8 + 5x_{1} + 3x_{2} + 3x_{3}$ We check for x₂ and x₃. What is the decrease in predicted y if we go from 9 to 4 for x₁?

   
   
   1. TRUE: 25
   2. FALSE: 40
   3. FALSE: 45
   
   
   1. 25: Correct
   2. 40: Incorrect
   3. 45:Incorrect