Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-correlation-1226-en_uva-correlation-1226-en
   name	uva-correlation-1226-en
   section	Descriptive statistics/Summary Statistics/Bivariate statistics/Correlation
   type	schoice
   solution	FALSE, TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.02
   p-value	0.575

   Question

   The correlation coefficient of X and Y is equal to:

   

   
   
   1. FALSE: -0,5
   2. TRUE: 0,3
   3. FALSE: 0,6
   4. FALSE: 0,8
   
   
   1. 0.5: Incorrect
   2. 0.3: Correct
   3. 0,6: Incorrect
   4. 0,8: Incorrect