Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_vufsw-z-score-0009-en_vufsw-z-score-0009-en
   name	vufsw-z-score-0009-en
   section	descriptive statistics/score interpretation/z-score
   type	schoice
   solution	FALSE, TRUE, FALSE, FALSE, FALSE
   Type	conceptual
   Program	NA
   Language	English
   Level	statistical literacy

   Question

   What is the best description of what a given z score expresses?

   
   
   1. FALSE: How many units an observation is above or below the mean, expressed on a scale ranging from -1.96 to +1.96.
   2. TRUE: How many units an observation is above or below the mean, expressed in standard deviation units.
   3. FALSE: How many units an observation is above or below the standard deviation is, expressed on a scale ranging from -1.96 to +1.96.
   4. FALSE: How many units an observation is above or below the standard deviation is, expressed on a scale ranging from 0 to 1.
   5. FALSE: How many units an observation is above or below the value 0, expressed on a scale ranging from -1 to +1.
   
   
   1. False
   2. True
   3. False
   4. False
   5. False