Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-scatterplot-1235-en_uva-scatterplot-1235-en
   name	uva-scatterplot-1235-en
   section	Descriptive statistics/Data representation/Graphs/Scatterplot
   type	schoice
   solution	FALSE, TRUE, FALSE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	3.96
   p-value	0.1315

   Question

   Below is a scatterplot of y against x. The average of x is approximately equal to:

   

   
   
   1. FALSE: 9
   2. TRUE: 12
   3. FALSE: 15
   4. FALSE: 18
   
   
   1. 9: Incorrect
   2. 12: Correct
   3. 15: Incorrect
   4. 18: Incorrect