Question 857487
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
this belongs in the statistics section
If You are going to do these types of problems
You either need a very good calculator or spreadsheet
	x	x - 6.71	(x-6.71)^2
	1	-3.86	14.8996
	3	-1.86	3.4596
	4	-0.86	0.7396
	5	0.14	       0.0196
	6	1.14	       1.2996
	7	2.14	       4.5796
	8	3.14	       9.8596
sum	34		      34.8572
sum/7 is 6.71	       sum/6	5.809533333  0r 5.81 is the variance