Exam 1

1. Metainformation

   Tag	Value
   file	Descriptive-statistics_uu-variance-600-en_uu-variance-600-en
   name	uu-variance-600-en
   section	Descriptive statistics/Summary Statistics/Measures of Spread/Variance
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Interpretating output
   Program	SPSS
   Language	English
   Level	Statistical Literacy

   Question

   In a population of 5 individuals with an extremely rare disease, the age at which the disease first manifested itself was measured. The table below shows the deviation scores for age for these 5 individuals. What is the variance of the distribution of age in this population?

   

   
   
   1. FALSE: It cannot be determined without giving the mean µ of the distribution.
   2. FALSE: 2
   3. FALSE: 5.5
   4. TRUE: 6
   
   
   1. You can: the deviation scores are in the table.
   2. No, that’s not correct unfortunately.
   3. No, that’s not right unfortunately.
   4. The correct answer is 6.