Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-correlation-1229-en_uva-correlation-1229-en
   name	uva-correlation-1229-en
   section	Descriptive statistics/Summary Statistics/Bivariate statistics/Correlation
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	3.039
   p-value	0.2919

   Question

   The coefficient of determination R² in the attached scatterplot is equal to:

   

   
   
   1. FALSE: 0,01
   2. FALSE: 0,09
   3. FALSE: 0,25
   4. TRUE: 0,49
   
   
   1. 0,01: Incorrect
   2. 0.09: Incorrect
   3. 0.25: Incorrect
   4. 0.49: Correct