Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-summary-statistics-1191-en_uva-summary-statistics-1191-en
   name	uva-summary-statistics-1191-en
   section	Descriptive statistics/Summary Statistics
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2
   p-value	0.5905

   Question

   According to the World Bank, about 35% of all people in Uganda in 1999 had less than €1 a day to spend. Suppose you repeatedly take a sample of 100 Ugandans and you count the number of people who had day had less than €1 to spend. What is then the mean and the standard deviation of this distribution?

   
   
   1. FALSE: Mean 0.35, standard deviation 0.2275
   2. FALSE: Mean 35, standard deviation 0.2275
   3. FALSE: Mean 35, standard deviation 0.4770
   4. TRUE: Mean 35, standard deviation 4.7697
   5. FALSE: Mean 35, standard deviation 22.75
   
   
   1. Mean 0.35, standard deviation 0.2275: Incorrect
   2. Mean 35, standard deviation 0.2275: Incorrect
   3. Mean 35, standard deviation 0.4770: Incorrect
   4. Mean 35, standard deviation 4.7697: Correct
   5. Average 35, standard deviation 22.75: Incorrect