Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-sample-mean-901-en_uva-sample-mean-901-en
   name	uva-sample-mean-901-en
   section	Inferential Statistics/Sampling Distributions/Sample mean
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2
   p-value	0.5905

   Question

   In a t-test on the difference between two averages, the standard error of the difference between the averages can be estimated in two ways estimated. One of the two ways assumes that the populations are

   
   
   1. TRUE: Have the same variance.
   2. FALSE: Are the same size.
   3. FALSE: Have the same mean.
   
   
   1. Have the same variance Correct
   2. Be the same size: Incorrect
   3. Have the same mean: Incorrect