Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_vufgb-nullhypothesis-009-en_vufgb-nullhypothesis-009-en
   name	vufgb-nullhypothesis-009-en
   section	Inferential Statistics/NHST/Hypothesis/Null hypothesis
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Conceptual
   Program
   Language	English
   Level	Statistical Literacy

   Question

   A t test for independent samples is used to test the difference in averages between two groups.

   Which null hypothesis belongs to this test?

   
   
   1. FALSE: $H_{0}:\;\overline{y}_{1} = 0$
   2. FALSE: $H_{0}:\;\overline{y}_{2} = 0$
   3. FALSE: $H_{0}:\;\overline{y}_{2} = \overline{y}_{1} = 0$
   4. TRUE: $H_{0}:\;\overline{y}_{2}-\overline{y}_{1} = 0$
   
   
   1. Incorrect
   2. Incorrect
   3. Incorrect
   4. Correct