Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-simple-linear-regression-195-en_uva-simple-linear-regression-195-en
   name	uva-simple-linear-regression-195-en
   section	Inferential Statistics/Regression/Simple linear regression
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.254
   p-value	0.4961

   Question

   A regression analysis examines how the number of credits that students obtain in a year (y) can be predicted from their average graduation grade (x₁) and their sex (x₂: x₂ = 0 for women and x₂= 1 for men). The regression equation is ŷ = 30 + 2x₁ - 5x₂. The predicted number of credits for a woman with an average final exam grade equal to 8 is

   
   
   1. FALSE: 41
   2. TRUE: 46
   3. FALSE: 51
   
   
   1. 41: Incorrect
   2. 46: Correct
   3. 51: Incorrect