Exam 1

1. Metainformation

   Tag	Value
   file	Distributions_vufsw-normal-1081-en_vufsw-normal-1081-en
   name	vufsw-normal-1081-en
   section	distributions/continuous/normal
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE
   Type	conceptual
   Program	NA
   Language	English
   Level	statistical literacy

   Question

   Which statement(s) is/are correct?

   I. The standard normal distribution is never symmetrical.

   2.  With a normally distributed variable, 2.5% of the observations are at least 1.96 times the standard deviation above the average.
   
   
   1. FALSE: Statement I and statement II are correct.
   2. FALSE: Statement I is correct and statement II is incorrect.
   3. TRUE: Statement I is incorrect and statement II is correct.
   4. FALSE: Statement I and statement II are incorrect.
   
   

   Solution

   The standard normal distribution is symmetrical. (so I is incorrect) and II is correct.
   With a normally distributed variable, 2.5% of the observations are at least 1.96 times the standard deviation above the average.

   Language
   English

   Levels of Difficulty
   Easy

   M&T BIS
   Default value

   M&T Descriptive statistics
   Default value

   M&T Distributions
   Default value

   
   
   1. False
   2. False
   3. True
   4. False