wk 1dis

profiledsmwnewng
w1-exercise_1.xls

E1

Length of stay descriptive statistics by physician, 2009.
Discharge Days (LOS)
Patient Physician A Physician B Physician C Physician D Physician E
1 5 6 7 3 4
2 7 9 6 2 6
3 4 8 8 5 3
4 4 4 5 7 7
5 5 7 4 3 3
6 4 12 8 4 5
7 2 10 3 2 6
8 6 5 7 5 3
9 3 6 6 3 8
10 5 8 4 4 5
11 3 9 8 2 9
12 4 6 12 7 4
13 7 13 5 4 3
14 9 5 4 3 6
15 3 7 8 6 4
16 4 7 5 3 7
Mean
Median
Mode
Variance
Standard Deviation
Exercise#1
Calculate the mean, median, and mode of the LOS of patients seen by each physician (round to one decimal point).
Calculate the variance and standard deviation of LOS by each physician (round to two decimal points).