Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-variance-131-en_uva-variance-131-en
   name	uva-variance-131-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	3.551
   p-value	0.1944

   Question

   The variance of a set of scores can be viewed as the average of the

   
   
   1. TRUE: Squared deviations
   2. FALSE: Positive and negative deviations
   3. FALSE: Roots of deviations
   
   
   1. Squared deviations: Correct
   2. Positive and negative deviations: Incorrect
   3. Roots of deviations: Incorrect