Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-correlation-212-en_uva-correlation-212-en
   name	uva-correlation-212-en
   section	Descriptive statistics/Summary Statistics/Bivariate statistics/Correlation
   type	schoice
   solution	FALSE, TRUE, FALSE
   Type	Conceptual, Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	1.631
   p-value	0.8489

   Question

   One calculates separately for a group of boys and a group of girls the correlation (pmcc) between the variables Intelligence and Logical Reasoning. For the girls, the pmcc has the value 0.30 (r_m), for the boys the value 0.60 (r_j). Possible conclusions are now:________. I. r_m is twice as low as r_j. II. r_m is lower than r_j

   
   
   1. FALSE: I and II are both correct.
   2. TRUE: I is incorrect and II is correct.
   3. FALSE: I and II are both incorrect.
   
   
   1. I and II are both correct: Incorrect
   2. I is incorrect and II is correct: Correct
   3. I and II are both incorrect: Incorrect