Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-correlation-792-nl_uva-correlation-792-nl
   name	uva-correlation-792-nl
   section	Descriptive statistics/Summary Statistics/Bivariate statistics/Correlation
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual
   Language	Dutch
   Level	Statistical Literacy
   IRT-Difficulty	4.233
   p-value	0.0805

   Question

   In regressie kan de adequaatheid van het model worden vastgesteld met behulp van r². Wanneer de hellingparameter gelijk is aan 0.5 en er geldt dat s_x = s_y, dan geldt dat

   
   
   1. TRUE: r2 = 0.25
   2. FALSE: r2 = 0.5
   3. FALSE: r2 = 1
   
   
   1. r2 = 0.25: Correct
   2. r2 = 0.5: Incorrect
   3. r2 = 1: Incorrect