SOLUTION: 20.2, 22.4, 30.0, 37.6, 39.8 True or False? These numbers can be used to calculate the standard deviation of the distribution.

Algebra ->  Probability-and-statistics -> SOLUTION: 20.2, 22.4, 30.0, 37.6, 39.8 True or False? These numbers can be used to calculate the standard deviation of the distribution.       Log On


   

Question 650115: 20.2, 22.4, 30.0, 37.6, 39.8
True or False? These numbers can be used to calculate the standard deviation of the distribution.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

 SD = sqrt%2876.9%29

x	m	(x-µ)	(x-µ)^2	

20.2	30	-9.80	96.040	

22.4	30	-7.60	57.760	

30	30	0.00	0.000	

37.6	30	7.60	57.760	

39.8	30	9.80	96.040	

150			307.600	sum

30.00		sum/4	76.900	Variance