Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-simple-linear-regression-208-en_uva-simple-linear-regression-208-en
   name	uva-simple-linear-regression-208-en
   section	Inferential Statistics/Regression/Simple linear regression
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	2.664
   p-value	0.4409

   Question

   Of the variables X and Y, the following data are known: r = 0.3, S_X = S_Y = 1.2, the mean of X is 2.5 and the mean of Y is 3. Given the regression of Y on X, for X = 2 the prediction is Y’

   
   
   1. FALSE: 1.65
   2. TRUE: 2.85
   3. FALSE: 3.3
   
   
   1. 1.65: Incorrect
   2. 2.85: Correct
   3. 3.3: Incorrect