Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-bar-graph-1200-en_uva-bar-graph-1200-en
   name	uva-bar-graph-1200-en
   section	Descriptive statistics/Data representation/Graphs/Bar graph
   type	schoice
   solution	FALSE, TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.652
   p-value	0.443

   Question

   Below is a bar graph of the number of children in a sample of 50 families.‖ The average number of children per family in this sample is equal to:

   

   
   
   1. FALSE: 1,6
   2. TRUE: 1,9
   3. FALSE: 2
   4. FALSE: 2,7
   
   
   1. 1,6: Incorrect
   2. 1,9: Correct
   3. 2: Incorrect
   4. 2,7: Incorrect