Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-equation-1924-en_uva-equation-1924-en
   name	uva-equation-1924-en
   section	Inferential Statistics/Regression/Equation
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	3.522
   p-value	0.1975

   Question

   We have a regression equation $\hat{y} = 7 + 9x_{1} + 4x_{2} + 5x_{3}$ We check for x₂ and x₃. What is the decrease in predicted y if we go from 9 to 5 for x₁?

   
   
   1. FALSE: 28
   2. TRUE: 36
   3. FALSE: 45
   
   
   1. 28: Incorrect
   2. 36: Correct
   3. 45: Incorrect