Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_vufsw-correlation-0132-en_vufsw-correlation-0132-en
   name	vufsw-correlation-0132-en
   section	descriptive statistics/summary statistics/bivariate statistics/correlation
   type	schoice
   solution	TRUE, FALSE, FALSE, FALSE
   Type	conceptual
   Program	NA
   Language	English
   Level	statistical literacy

   Question

   What happens to the correlation of two variables (X and Y) if we standardise both variables (i.e. transform them into z-scores)?

   The correlation coefficient …

   
   
   1. TRUE: remains exactly the same.
   2. FALSE: will be exactly 1.00.
   3. FALSE: will be exactly 0.00
   4. FALSE: may either increase or decrease, depending on whether the relationship between X and Y is positive or negative.
   
   
   1. True
   2. False
   3. False
   4. False