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CHAPTER 2  STRATEGIES FOR UNDERSTANDIDNG THE MEANINGS OD DATA

15. Krieser et al. (A-17) examined glomerular filtration rate (GFR) in pediatric renal transplant recipients.

GFR is an important parameter of renal function assessed in renal transplant recipients. The

following are measurements from 19 subjects of GFR measured with diethylenetriamine pentaacetic

acid. (Note: some subjects were measured more than once.)

18 42

21 43

21 43

23 48

27 48

27 51

30 55

32 58

32 60

32 62

36 67

37 68

41 88

42 63

Source: D. M. Z. Krieser, M.D. Used with permission.

(a) Compute mean, median, variance, standard deviation, and coefficient of variation.

(b) Construct a stem-and-leaf display.

(c) Construct a box-and-whisker plot
(d) Histogram