Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f. Round the variance and standard deviation to one decimal place.

Question

Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f. Round the variance and standard deviation to one decimal place. 
a. Mean
b. Range
c. Variance
d. Standard deviation
e. What value is affecting the mean and SD of this distribution?
f. Does the mean adequately represent this distribution? If not, what would be a better measure of central tendency for this data set?
	
Patient		Length of Stay	LOS-Mean(5)		(LOS –mean)2
						(X-X)	
1			1
2			3
3			5
4			3
5			2
6			29
7			3
8			4
9			2
10			1
11			2