Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-test-250-en_uva-test-250-en
   name	uva-test-250-en
   section	Inferential Statistics/Parametric Techniques/t-test
   type	schoice
   solution	FALSE, FALSE, TRUE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	4.414
   p-value	0.0289

   Question

   It is hypothesized that there is a positive-linear relationship between smoking intensity (X) and alcohol consumption (Y). In a random sample of n = 30 persons, one finds R_XY = 0.26. On the basis of this result the null hypothesis ρ_XY = 0 can be rejected at

   
   
   1. FALSE: Α = 0.01
   2. FALSE: Α = 0.05, but not at α = 0.01
   3. TRUE: Α = 0.10, but not at α = 0.05
   
   
   1. Α = 0.01: Incorrect
   2. Α = 0.05, but not at α = 0.01: Incorrect
   3. Α = 0.10, but not at α = 0.05: Correct