To compare the distribution of white-blood-cell counts of patients on the medical and surgical services in Table 2.13 (p. 36), or in HOSPITAL.DAT, when normality is not assumed, what test can be used?

Infectious Disease

The distribution of white-blood-cell count is typically positively skewed, and assumptions of normality are usually not valid.

Table 2.13: Hospital-stay data

 

Transcribed Image Text:

First Received bacterial culture? Duration First WBC (x 10") following admission Received Sex antibiotic? Service of temp. hospital stay following admission 1 = yes 2 = no ID 1 = yes 1 = med. 2 = surg. 2 = F Age 2 = no no. 99.0 30 2. 10 73 98.0 3 40 99.0 12 4 11 47 98.2 11 25 98.5 14 82 96.8 30 60 99.5 8. 11 56 98.6 7 17 43 98.0 98.0 10 3 50 12 11 59 97.6 97.8 12 3 13 8. 22 99.5 11 2. 14 33 2 98.4 14 98.4 15 5 20 11 32 99.0 16 5 17 36 99.2 18 4 69 98.0 19 97.0 47 20 22 98.2 6. 21 11 98.2 10 98.6 14 22 11 19 97.6 23 11 67 4 24 43 98.6 5 25 4 41 98.0