Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_vufgb-zscore-006-en_vufgb-zscore-006-en
   name	vufgb-zscore-006-en
   section	Descriptive statistics/Score interpretation/z-score
   type	schoice
   solution	FALSE, FALSE, TRUE, FALSE
   Type	Conceptual
   Language	English
   Level	Statistical Literacy

   Question

   Luke has an IQ-score of 130. The population mean is 100, and the population standard deviation is 15. Luke’s z-score is (130-100)/15=2. What does this mean?

   
   
   1. FALSE: Luke’s IQ belongs to the 2% highest scores in the population.
   2. FALSE: Luke’s IQ is twice as high as the average person in the population.
   3. TRUE: Luke’s IQ deviates 2 standard deviations from the mean in the population.
   4. FALSE: Luke’s IQ significantly deviates from the mean in the population.
   
   
   1. Incorrect
   2. Incorrect
   3. Correct
   4. Incorrect