Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-measures-of-location-223-en_uva-measures-of-location-223-en
   name	uva-measures-of-location-223-en
   section	Descriptive statistics/Summary Statistics/Measures of Location
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.101
   p-value	0.5348

   Question

   One calculates twice a 95% confidence interval for the population proportion p, once based on a sample of 50 observations (interval A) and once based on a sample of 200 observations (interval B). Compared to interval A, interval B is

   
   
   1. TRUE: Twice as narrow
   2. FALSE: Four times as narrow
   3. FALSE: Eight times as narrow
   
   
   1. Twice as narrow: Correct
   2. Four times as narrow: Incorrect
   3. Eight times as narrow: Incorrect