Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-power-1553-en_uva-power-1553-en
   name	uva-power-1553-en
   section	Inferential Statistics/NHST/Power
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.012
   p-value	0.5786

   Question

   One tests H₁: p = 0.5 against H₂: p = 0.2 in a random sample of n = 9 observations. Testing quantity is the binomially distributed stochast B, the number of successes in the sample. As the left critical limit, the value 2 is used. The discernment power 1 - β is then equal to

   
   
   1. FALSE: 0.86
   2. TRUE: 0.9
   3. FALSE: 0.95
   
   
   1. 0.86: Incorrect
   2. 0.9: Correct
   3. 0.95: Incorrect