Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_vufsw-standarddeviation-0020-en_vufsw-standarddeviation-0020-en
   name	vufsw-standarddeviation-0020-en
   section	descriptive statistics/summary statistics/measures of spread/standard deviation
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE
   Type	conceptual
   Program	NA
   Language	English
   Level	statistical literacy

   Question

   What is the best description of a standard deviation (SD)?

   
   
   1. FALSE: The SD expresses what percentage of the units of analysis deviate from the mean deviate.
   2. FALSE: The SD is the difference between the mean and the spread of a distribution.
   3. TRUE: The SD is the mean deviation from the mean.
   4. FALSE: The SD is the number of observations that deviate from the standard normal distribution. deviation.
   
   
   1. False
   2. False
   3. True
   4. False