Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-paired-samples-427-en_uva-paired-samples-427-en
   name	uva-paired-samples-427-en
   section	Inferential Statistics/Parametric Techniques/t-test/Paired samples
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	4.067
   p-value	0.0995

   Question

   From a randomly drawn sample of 7 individuals, heart rate was measured at 8 mornings and 4 p.m., with the results being:______________. morning: 75, 74, 70, 79, 65, 70, 68. afternoon: 76, 76, 69, 80, 66, 73, 69. We want to test H₀: μ(morning) = μ(afternoon) against H₁: μ(morning) ≠ μ(afternoon). The value of the test quantity (possibly with a minus sign) is equal to

   
   
   1. FALSE: 0.941
   2. FALSE: 0.442
   3. TRUE: 2.489
   4. FALSE: 1.244
   
   
   1. 0.941: Incorrect
   2. 0.442: Incorrect
   3. 2,489: Correct
   4. 1,244: Incorrect