Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-measures-of-spread-849-en_uva-measures-of-spread-849-en
   name	uva-measures-of-spread-849-en
   section	Descriptive statistics/Summary Statistics/Measures of Spread
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	-1.457
   p-value	0.9541

   Question

   In a sample with size n = 60, the sample mean has a error that is larger than that in a sample with size n = 120. How many times larger?

   
   
   1. TRUE: √2 times
   2. FALSE: 2 times
   3. FALSE: 4 times
   
   
   1. √2 times: Correct
   2. 2 times: Incorrect
   3. 4 times: Incorrect