Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-correlation-216-en_uva-correlation-216-en
   name	uva-correlation-216-en
   section	Descriptive statistics/Summary Statistics/Bivariate statistics/Correlation
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	-1.522
   p-value	0.9556

   Question

   If, for the pmcc between X and Y, r = 1, then it means

   
   
   1. TRUE: All points (X, Y) lie on one line.
   2. FALSE: X causes Y.
   3. FALSE: X and Y are independent.
   
   
   1. All the points (X, Y) are on one line…: Correct
   2. X causes Y.: Incorrect
   3. X and Y are independent: Incorrect