Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-paired-samples-1807-en_uva-paired-samples-1807-en
   name	uva-paired-samples-1807-en
   section	Inferential Statistics/Parametric Techniques/t-test/Paired samples
   type	schoice
   solution	TRUE, FALSE, FALSE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	3.176
   p-value	0.2548

   Question

   Of 17 subjects, before and after a given effort of force, the heart rate is measured. We want to test whether the average heart rate before and after the effort is equal. Of the 17 differences between pre- and post-measurement the mean is 16 and the standard deviation is 34. The value of the test size of the paired T test is then

   
   
   1. TRUE: 1.94
   2. FALSE: 2.27
   3. FALSE: 2.89
   4. FALSE: 3.81
   
   
   1. 1.94: Correct
   2. 2.27: Incorrect
   3. 2.89: Incorrect
   4. 3.81: Incorrect