PSY 230

Measures of Central Tendency and Variability

Try-it-Yourself Exercise Answers

The scores:   1, 8, 12, 3, 8, 14, 4, 5, 8, 16

a.  M = 7.90

 

b.  median = 8

 

c.  mode = 8

 

d.  s = 4.89

 

e.  s2 = 23.88