Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uva-correlation-240-en_uva-correlation-240-en
   name	uva-correlation-240-en
   section	Descriptive statistics/Summary Statistics/Bivariate statistics/Correlation
   type	schoice
   solution	TRUE, FALSE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	3.613
   p-value	0.1841

   Question

   One researcher expects a positive relationship between obesity and height of LDL cholesterol. In a random sample of n = 30 men, he finds a value for these variables of Spearman’s rank correlation coefficient equal to 0.48. On the basis this result, the null hypothesis that there is no presence of an relationship can be rejected at

   
   
   1. TRUE: Α = 0.01
   2. FALSE: Α = 0.05, but not at α = 0.01
   3. FALSE: Α = 0.10, but not at α = 0.05
   
   
   1. Α = 0.01: Correct
   2. Α = 0.05, but not at α = 0.01: Incorrect
   3. Α = 0.10, but not at α = 0.05: Incorrect