Problem

Duration of hospitalization. Table contains data from an investigation that studied antibi...

Duration of hospitalization. Table contains data from an investigation that studied antibiotic use in hospitals.

Table Twenty-five observations derived from hospital discharge summaries.

ID

DUR

AGE

SEX

TEMP

WBC

AB

CULT

SERV

1

5

30

2

99.0

8

2

2

1

2

10

73

2

98.0

5

2

1

1

3

6

40

2

99.0

12

2

2

2

4

11

47

2

98.2

4

2

2

2

5

5

25

2

98.5

11

2

2

2

6

14

82

1

96.8

6

1

2

2

7

30

60

1

99.5

8

1

1

1

8

11

56

2

98.6

7

2

2

1

9

17

43

2

98.0

7

2

2

1

10

3

50

1

98.0

12

2

1

2

11

9

59

2

97.6

7

2

1

1

12

3

4

1

97.8

3

2

2

2

13

8

22

2

99.5

11

1

2

2

14

8

33

2

98.4

14

1

1

2

15

5

20

2

98.4

11

2

1

2

16

5

32

1

99.0

9

2

2

2

17

7

36

1

99.2

6

1

2

2

18

4

69

1

98.0

6

2

2

2

19

3

47

1

97.0

5

1

2

1

20

7

22

1

98.2

6

2

2

2

21

9

11

1

98.2

10

2

2

2

22

11

19

1

98.6

14

1

2

2

23

11

67

2

97.6

4

2

2

1

24

9

43

2

98.6

5

2

2

2

25

4

41

2

98.0

5

2

2

1

Here’s a codebook for the data:

Variable Description

DUR

Duration of hospitalization (days)

AGE

Age (years)

SEX

1 = male, 2 = female

TEMP

Body temperature (degrees Fahrenheit)

WBC

White blood cells per 100 ml

AB

Antibiotic use: 1 = yes, 2 = no

CULT

Blood culture taken: 1 = yes, 2 = no

SERV

Service: 1 = medical, 2 =surgical

(a) Classify each variable as quantitative, ordinal, or categorical.


(b) What is the value of the dur variable for observation 4?


(c) What is the value of the age variable for observation 24?

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