Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-equation-1949-en_uva-equation-1949-en
   name	uva-equation-1949-en
   section	Inferential Statistics/Regression/Equation
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	3.37
   p-value	0.2305

   Question

   We have a regression equation $\hat{y} = 2 + 7x_{1} + 2x_{2} + 3x_{3}$ We check for x₁ and x₃. What is the increase in predicted y if we go from 6 to 10 for x₂?

   
   
   1. TRUE: 8
   2. FALSE: 12
   3. FALSE: 20
   
   
   1. 8: Correct
   2. 12: Incorrect
   3. 20: Incorrect