Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-equation-89-en_uva-equation-89-en
   name	uva-equation-89-en
   section	Inferential Statistics/Regression/Equation
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.192
   p-value	0.5064

   Question

   A regression equation has the form y = 0.3x - 2. Furthermore, s_x = s_y = 4. The correlation r then has the value

   
   
   1. FALSE: 0.12
   2. TRUE: 0.3
   3. FALSE: 1
   
   
   1. 0.12: Incorrect
   2. 0.3: Correct
   3. 1: Incorrect