Question 610892
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi, 
 52/4 = 13, the variance and sqrt(13) = 3.6, the SD

x	m	diff	squared	
4	9	-5	25.000	
8	9	-1	1.000	
9	9	0	0.000	
14	9	5	25.000	
10	9	1	1.000	
45			52.000	
		13	13.000	3.6