Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-statistical-errors-907-en_uva-statistical-errors-907-en
   name	uva-statistical-errors-907-en
   section	Inferential Statistics/NHST/Statistical errors
   type	schoice
   solution	FALSE, FALSE, TRUE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	1.907
   p-value	0.8014

   Question

   Suppose a researcher has four averages for which she wants to calculate multiple comparison Tukey confidence intervals wants to calculate. There are four averages and thus a total of six possible differences between averages and thus six confidence intervals. The researcher also calculates for comparison the ordinary 95% confidence intervals out. Two of these ordinary 95% confidence intervals are (3, 7) and (12, 16). Now what are possibly Tukey 95% confidence intervals that correspond to the above two ordinary confidence intervals?

   
   
   1. FALSE: (3.5, 6.5) and (12.5, 15.5)
   2. FALSE: (4, 6) and (12.5, 15.5)
   3. TRUE: (2.5, 7.5) and (11.5, 16.5)
   
   
   1. (3.5, 6.5) and (12.5, 15.5): Incorrect
   2. (4, 6) and (12.5, 15.5): Incorrect
   3. (2.5, 7.5) and (11.5, 16.5): Correct