# Hospital Statistics - Math

The following table shows the LOS for a sample of eleven discharged patients. Using

the data from this table, calculate the mean, range, variance, and standard

deviation. Then answer as well questions a and f

Patient Patient Length of Stays(days)

1 1

2 3

3 5

4 3

5 2

6 29

7 3

8 4

9 2

10 1

11 2

a) Mean =

b) Range =

c) Variance =

d) Standard Deviation =

e) What value is affecting the mean and standard deviation of this sample?

f) Does this mean adequately represent this distribution? If not, what would be a

better measure of central tendency for this data set?