Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-paired-samples-1815-en_uva-paired-samples-1815-en
   name	uva-paired-samples-1815-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	2.866
   p-value	0.4188

   Question

   Of 8 subjects, before and after a given exertion 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 8 differences between pre- and post-measurement the mean is 24 and the standard deviation is 28. The value of the test size of the paired T test is then

   
   
   1. TRUE: 2.42
   2. FALSE: 2.89
   3. FALSE: 3.52
   4. FALSE: 12.94
   
   
   1. 2.42: Correct
   2. 2.89: Incorrect
   3. 3.52: Incorrect
   4. 12.94: Incorrect