Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-variance-1-en_uva-variance-1-en
   name	uva-variance-1-en
   section	Descriptive statistics/Summary Statistics/Measures of Spread/Variance
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	4.171
   p-value	0.0887

   Question

   If test scores are reliable, they contain

   
   
   1. TRUE: Few random measurement errors.
   2. FALSE: Few systematic measurement errors.
   3. FALSE: Few random and few systematic measurement errors.
   
   
   1. Few random measurement errors…: Correct
   2. Few systematic measurement errors: Incorrect
   3. Few random and few systematic measurement errors…: Incorrect